feat: expand utility widgets

packages/request-handler/src/air-quality.spec.ts

@@ -0,0 +1,101 @@
+import { Response } from "undici";
+import { beforeEach, describe, expect, it, vi } from "vitest";
+
+import { fetchWithTrustedCertificatesAsync } from "@homarr/core/infrastructure/http";
+
+import { airQualityRequestHandler } from "./air-quality";
+
+vi.mock("@homarr/core/infrastructure/http", () => ({
+  fetchWithTrustedCertificatesAsync: vi.fn(),
+}));
+
+const mockFetch = vi.mocked(fetchWithTrustedCertificatesAsync);
+
+const makeAirQualityResponse = () => {
+  const times = ["2026-07-01T00:00", "2026-07-01T01:00", "2026-07-02T00:00"];
+  const values = [10, 20, 30];
+  const fields = [
+    "european_aqi",
+    "us_aqi",
+    "uv_index",
+    "pm10",
+    "pm2_5",
+    "carbon_monoxide",
+    "nitrogen_dioxide",
+    "sulphur_dioxide",
+    "ozone",
+    "european_aqi_pm2_5",
+    "european_aqi_pm10",
+    "european_aqi_nitrogen_dioxide",
+    "european_aqi_ozone",
+    "european_aqi_sulphur_dioxide",
+    "us_aqi_pm2_5",
+    "us_aqi_pm10",
+    "us_aqi_nitrogen_dioxide",
+    "us_aqi_carbon_monoxide",
+    "us_aqi_ozone",
+    "us_aqi_sulphur_dioxide",
+    "alder_pollen",
+    "birch_pollen",
+    "grass_pollen",
+    "mugwort_pollen",
+    "olive_pollen",
+    "ragweed_pollen",
+  ] as const;
+
+  return {
+    timezone: "Europe/Berlin",
+    utc_offset_seconds: 7200,
+    current: {
+      time: "2026-07-01T12:00",
+      ...Object.fromEntries(fields.map((field) => [field, field === "ragweed_pollen" ? null : 12])),
+    },
+    hourly: {
+      time: times,
+      ...Object.fromEntries(fields.map((field) => [field, field === "ragweed_pollen" ? [null, null, null] : values])),
+    },
+    fields,
+  };
+};
+
+beforeEach(() => {
+  vi.clearAllMocks();
+  airQualityRequestHandler.invalidateCache();
+});
+
+describe("air quality request handler", () => {
+  it("requests and normalizes the full useful forecast field set", async () => {
+    const fixture = makeAirQualityResponse();
+    mockFetch.mockResolvedValue(new Response(JSON.stringify(fixture)));
+
+    const first = await airQualityRequestHandler.handler({ latitude: 48.85, longitude: 2.35 }).getDataAsync();
+    const second = await airQualityRequestHandler.handler({ latitude: 48.85, longitude: 2.35 }).getDataAsync();
+
+    expect(first.data.current.observedAt).toBe("2026-07-01T10:00:00.000Z");
+    expect(first.data.current.pollutants.pm2_5).toBe(12);
+    expect(first.data.current.pollen.ragweed).toBeNull();
+    expect(first.data.hourly[0]?.observedAt).toBe("2026-06-30T22:00:00.000Z");
+    expect(first.data.daily).toEqual([
+      { date: "2026-07-01", europeanAqiMax: 20, usAqiMax: 20, uvIndexMax: 20, pm2_5Max: 20, pm10Max: 20 },
+      { date: "2026-07-02", europeanAqiMax: 30, usAqiMax: 30, uvIndexMax: 30, pm2_5Max: 30, pm10Max: 30 },
+    ]);
+    expect(second.data).toStrictEqual(first.data);
+    expect(mockFetch).toHaveBeenCalledOnce();
+
+    const requestUrl = new URL(String(mockFetch.mock.calls[0]?.[0]));
+    expect(requestUrl.origin).toBe("https://air-quality-api.open-meteo.com");
+    expect(requestUrl.searchParams.get("forecast_days")).toBe("7");
+    expect(requestUrl.searchParams.get("timezone")).toBe("auto");
+    expect(requestUrl.searchParams.get("current")).toContain("european_aqi_pm2_5");
+    expect(requestUrl.searchParams.get("hourly")).toContain("us_aqi_carbon_monoxide");
+    expect(requestUrl.searchParams.get("hourly")).toContain("ragweed_pollen");
+  });
+
+  it("rejects unsuccessful Open-Meteo responses", async () => {
+    mockFetch.mockResolvedValue(new Response("unavailable", { status: 503 }));
+
+    await expect(
+      airQualityRequestHandler.handler({ latitude: 48.85, longitude: 2.35 }).getDataAsync(),
+    ).rejects.toThrow();
+  });
+});

packages/request-handler/src/air-quality.ts

@@ -0,0 +1,283 @@
+import dayjs from "dayjs";
+import timezone from "dayjs/plugin/timezone";
+import utc from "dayjs/plugin/utc";
+import { z } from "zod";
+
+import { ResponseError } from "@homarr/common/server";
+import { fetchWithTrustedCertificatesAsync } from "@homarr/core/infrastructure/http";
+import { withTimeoutAsync } from "@homarr/core/infrastructure/http/timeout";
+
+import { createWidgetRequestHandler } from "./lib/widget-request-handler";
+
+dayjs.extend(utc);
+dayjs.extend(timezone);
+
+const FORECAST_DAYS = 7;
+
+const requestedVariables = [
+  "european_aqi",
+  "us_aqi",
+  "uv_index",
+  "pm10",
+  "pm2_5",
+  "carbon_monoxide",
+  "nitrogen_dioxide",
+  "sulphur_dioxide",
+  "ozone",
+  "european_aqi_pm2_5",
+  "european_aqi_pm10",
+  "european_aqi_nitrogen_dioxide",
+  "european_aqi_ozone",
+  "european_aqi_sulphur_dioxide",
+  "us_aqi_pm2_5",
+  "us_aqi_pm10",
+  "us_aqi_nitrogen_dioxide",
+  "us_aqi_carbon_monoxide",
+  "us_aqi_ozone",
+  "us_aqi_sulphur_dioxide",
+  "alder_pollen",
+  "birch_pollen",
+  "grass_pollen",
+  "mugwort_pollen",
+  "olive_pollen",
+  "ragweed_pollen",
+] as const;
+
+export const airQualityRequestHandler = createWidgetRequestHandler({
+  cacheTtlMs: 15 * 60 * 1000,
+  fallbackToStaleOnError: true,
+  staleIfErrorTtlMs: 24 * 60 * 60 * 1000,
+  async requestAsync(input: { latitude: number; longitude: number }) {
+    const url = new URL("https://air-quality-api.open-meteo.com/v1/air-quality");
+    url.searchParams.set("latitude", input.latitude.toString());
+    url.searchParams.set("longitude", input.longitude.toString());
+    url.searchParams.set("current", requestedVariables.join(","));
+    url.searchParams.set("hourly", requestedVariables.join(","));
+    url.searchParams.set("forecast_days", FORECAST_DAYS.toString());
+    url.searchParams.set("timezone", "auto");
+
+    const response = await withTimeoutAsync(async (signal) => {
+      return await fetchWithTrustedCertificatesAsync(url.toString(), { signal });
+    });
+    if (!response.ok) throw new ResponseError(response);
+
+    const json: unknown = await response.json();
+    const airQuality = await atLocationOutput.parseAsync(json);
+    const hourly = airQuality.hourly.time.map((value, index) => {
+      return normalizePoint(airQuality.hourly, index, toUtcInstant(value, airQuality.timezone));
+    });
+
+    return {
+      timezone: airQuality.timezone,
+      utcOffsetSeconds: airQuality.utc_offset_seconds,
+      current: normalizePoint(
+        airQuality.current,
+        undefined,
+        toUtcInstant(airQuality.current.time, airQuality.timezone),
+      ),
+      hourly,
+      daily: getDailyMaximums(airQuality.hourly),
+    } satisfies AirQuality;
+  },
+});
+
+const nullableNumber = z.number().nullable();
+const nullableNumberArray = z.array(nullableNumber);
+
+const currentValues = z.object({
+  time: z.string(),
+  european_aqi: nullableNumber,
+  us_aqi: nullableNumber,
+  uv_index: nullableNumber,
+  pm10: nullableNumber,
+  pm2_5: nullableNumber,
+  carbon_monoxide: nullableNumber,
+  nitrogen_dioxide: nullableNumber,
+  sulphur_dioxide: nullableNumber,
+  ozone: nullableNumber,
+  european_aqi_pm2_5: nullableNumber,
+  european_aqi_pm10: nullableNumber,
+  european_aqi_nitrogen_dioxide: nullableNumber,
+  european_aqi_ozone: nullableNumber,
+  european_aqi_sulphur_dioxide: nullableNumber,
+  us_aqi_pm2_5: nullableNumber,
+  us_aqi_pm10: nullableNumber,
+  us_aqi_nitrogen_dioxide: nullableNumber,
+  us_aqi_carbon_monoxide: nullableNumber,
+  us_aqi_ozone: nullableNumber,
+  us_aqi_sulphur_dioxide: nullableNumber,
+  alder_pollen: nullableNumber,
+  birch_pollen: nullableNumber,
+  grass_pollen: nullableNumber,
+  mugwort_pollen: nullableNumber,
+  olive_pollen: nullableNumber,
+  ragweed_pollen: nullableNumber,
+});
+
+const hourlyValues = z.object({
+  time: z.array(z.string()),
+  european_aqi: nullableNumberArray,
+  us_aqi: nullableNumberArray,
+  uv_index: nullableNumberArray,
+  pm10: nullableNumberArray,
+  pm2_5: nullableNumberArray,
+  carbon_monoxide: nullableNumberArray,
+  nitrogen_dioxide: nullableNumberArray,
+  sulphur_dioxide: nullableNumberArray,
+  ozone: nullableNumberArray,
+  european_aqi_pm2_5: nullableNumberArray,
+  european_aqi_pm10: nullableNumberArray,
+  european_aqi_nitrogen_dioxide: nullableNumberArray,
+  european_aqi_ozone: nullableNumberArray,
+  european_aqi_sulphur_dioxide: nullableNumberArray,
+  us_aqi_pm2_5: nullableNumberArray,
+  us_aqi_pm10: nullableNumberArray,
+  us_aqi_nitrogen_dioxide: nullableNumberArray,
+  us_aqi_carbon_monoxide: nullableNumberArray,
+  us_aqi_ozone: nullableNumberArray,
+  us_aqi_sulphur_dioxide: nullableNumberArray,
+  alder_pollen: nullableNumberArray,
+  birch_pollen: nullableNumberArray,
+  grass_pollen: nullableNumberArray,
+  mugwort_pollen: nullableNumberArray,
+  olive_pollen: nullableNumberArray,
+  ragweed_pollen: nullableNumberArray,
+});
+
+const atLocationOutput = z.object({
+  timezone: z.string().min(1),
+  utc_offset_seconds: z.number(),
+  current: currentValues,
+  hourly: hourlyValues,
+});
+
+type CurrentValues = z.infer<typeof currentValues>;
+type HourlyValues = z.infer<typeof hourlyValues>;
+
+const getValue = (values: CurrentValues | HourlyValues, field: keyof Omit<CurrentValues, "time">, index?: number) => {
+  const value = values[field];
+  if (Array.isArray(value)) return value[index ?? 0] ?? null;
+  return value;
+};
+
+const normalizePoint = (
+  values: CurrentValues | HourlyValues,
+  index: number | undefined,
+  observedAt: string,
+): AirQualityPoint => ({
+  observedAt,
+  europeanAqi: getValue(values, "european_aqi", index),
+  usAqi: getValue(values, "us_aqi", index),
+  uvIndex: getValue(values, "uv_index", index),
+  pollutants: {
+    pm2_5: getValue(values, "pm2_5", index),
+    pm10: getValue(values, "pm10", index),
+    ozone: getValue(values, "ozone", index),
+    nitrogenDioxide: getValue(values, "nitrogen_dioxide", index),
+    sulphurDioxide: getValue(values, "sulphur_dioxide", index),
+    carbonMonoxide: getValue(values, "carbon_monoxide", index),
+  },
+  europeanSubIndices: {
+    pm2_5: getValue(values, "european_aqi_pm2_5", index),
+    pm10: getValue(values, "european_aqi_pm10", index),
+    ozone: getValue(values, "european_aqi_ozone", index),
+    nitrogenDioxide: getValue(values, "european_aqi_nitrogen_dioxide", index),
+    sulphurDioxide: getValue(values, "european_aqi_sulphur_dioxide", index),
+    carbonMonoxide: null,
+  },
+  usSubIndices: {
+    pm2_5: getValue(values, "us_aqi_pm2_5", index),
+    pm10: getValue(values, "us_aqi_pm10", index),
+    ozone: getValue(values, "us_aqi_ozone", index),
+    nitrogenDioxide: getValue(values, "us_aqi_nitrogen_dioxide", index),
+    sulphurDioxide: getValue(values, "us_aqi_sulphur_dioxide", index),
+    carbonMonoxide: getValue(values, "us_aqi_carbon_monoxide", index),
+  },
+  pollen: {
+    alder: getValue(values, "alder_pollen", index),
+    birch: getValue(values, "birch_pollen", index),
+    grass: getValue(values, "grass_pollen", index),
+    mugwort: getValue(values, "mugwort_pollen", index),
+    olive: getValue(values, "olive_pollen", index),
+    ragweed: getValue(values, "ragweed_pollen", index),
+  },
+});
+
+const getDailyMaximums = (hourly: HourlyValues): AirQuality["daily"] => {
+  const grouped = new Map<string, AirQuality["daily"][number]>();
+
+  hourly.time.forEach((time, index) => {
+    const date = time.slice(0, 10);
+    const existing = grouped.get(date) ?? {
+      date,
+      europeanAqiMax: null,
+      usAqiMax: null,
+      uvIndexMax: null,
+      pm2_5Max: null,
+      pm10Max: null,
+    };
+
+    existing.europeanAqiMax = maxNullable(existing.europeanAqiMax, hourly.european_aqi[index]);
+    existing.usAqiMax = maxNullable(existing.usAqiMax, hourly.us_aqi[index]);
+    existing.uvIndexMax = maxNullable(existing.uvIndexMax, hourly.uv_index[index]);
+    existing.pm2_5Max = maxNullable(existing.pm2_5Max, hourly.pm2_5[index]);
+    existing.pm10Max = maxNullable(existing.pm10Max, hourly.pm10[index]);
+    grouped.set(date, existing);
+  });
+
+  return Array.from(grouped.values()).slice(0, FORECAST_DAYS);
+};
+
+const maxNullable = (current: number | null, candidate: number | null | undefined): number | null => {
+  if (candidate === null || candidate === undefined) return current;
+  if (current === null) return candidate;
+  return Math.max(current, candidate);
+};
+
+const toUtcInstant = (value: string, timeZone: string): string => {
+  const parsed = dayjs.tz(value, timeZone);
+  if (!parsed.isValid()) throw new Error(`Invalid air quality timestamp: ${value}`);
+  return parsed.utc().toISOString();
+};
+
+export interface AirQualityPollutants {
+  pm2_5: number | null;
+  pm10: number | null;
+  ozone: number | null;
+  nitrogenDioxide: number | null;
+  sulphurDioxide: number | null;
+  carbonMonoxide: number | null;
+}
+
+export interface AirQualityPoint {
+  observedAt: string;
+  europeanAqi: number | null;
+  usAqi: number | null;
+  uvIndex: number | null;
+  pollutants: AirQualityPollutants;
+  europeanSubIndices: AirQualityPollutants;
+  usSubIndices: AirQualityPollutants;
+  pollen: {
+    alder: number | null;
+    birch: number | null;
+    grass: number | null;
+    mugwort: number | null;
+    olive: number | null;
+    ragweed: number | null;
+  };
+}
+
+export interface AirQuality {
+  timezone: string;
+  utcOffsetSeconds: number;
+  current: AirQualityPoint;
+  hourly: AirQualityPoint[];
+  daily: {
+    date: string;
+    europeanAqiMax: number | null;
+    usAqiMax: number | null;
+    uvIndexMax: number | null;
+    pm2_5Max: number | null;
+    pm10Max: number | null;
+  }[];
+}

packages/request-handler/src/lib/widget-request-handler.ts

@@ -2,11 +2,14 @@ import { createRequestHandler } from "./request-handler";
 
 interface Options<TData, TInput extends Record<string, unknown>> {
   requestAsync: (input: TInput) => Promise<TData>;
+  cacheTtlMs?: number;
+  fallbackToStaleOnError?: boolean;
+  staleIfErrorTtlMs?: number;
 }
 
 export const createWidgetRequestHandler = <TData, TInput extends Record<string, unknown>>(
   options: Options<TData, TInput>,
 ) => {
-  const inner = createRequestHandler<TData, TInput>({ requestAsync: options.requestAsync });
+  const inner = createRequestHandler<TData, TInput>(options);
   return inner;
 };

packages/request-handler/src/weather.spec.ts

@@ -0,0 +1,110 @@
+import { Response } from "undici";
+import { beforeEach, describe, expect, it, vi } from "vitest";
+
+import { fetchWithTrustedCertificatesAsync } from "@homarr/core/infrastructure/http";
+
+import { weatherRequestHandler } from "./weather";
+
+vi.mock("@homarr/core/infrastructure/http", () => ({
+  fetchWithTrustedCertificatesAsync: vi.fn(),
+}));
+
+const mockFetch = vi.mocked(fetchWithTrustedCertificatesAsync);
+
+const makeWeatherResponse = () => {
+  const hours = Array.from({ length: 25 }, (_, index) => `2026-07-01T${String(index % 24).padStart(2, "0")}:00`);
+  const days = [
+    "2026-06-30",
+    ...Array.from({ length: 7 }, (_, index) => `2026-07-${String(index + 1).padStart(2, "0")}`),
+  ];
+  const hourlyValues = hours.map<number | null>((_, index) => index);
+  const dailyValues = days.map<number | null>((_, index) => index);
+  const sunrise = days.map<string | null>((day) => `${day}T05:00`);
+
+  return {
+    timezone: "Europe/Berlin",
+    utc_offset_seconds: 7200,
+    current: {
+      time: "2026-07-01T12:00",
+      temperature_2m: 24,
+      relative_humidity_2m: 55,
+      apparent_temperature: 25,
+      is_day: 1,
+      precipitation: 0,
+      weather_code: 1,
+      wind_speed_10m: 12,
+      wind_gusts_10m: 20,
+    },
+    hourly: {
+      time: hours,
+      temperature_2m: hourlyValues,
+      apparent_temperature: hourlyValues,
+      precipitation_probability: hourlyValues,
+      precipitation: hourlyValues,
+      weather_code: hourlyValues,
+      relative_humidity_2m: hourlyValues,
+      wind_speed_10m: hourlyValues,
+      wind_gusts_10m: hourlyValues,
+    },
+    daily: {
+      time: days,
+      weather_code: dailyValues,
+      temperature_2m_max: dailyValues,
+      temperature_2m_min: dailyValues,
+      apparent_temperature_max: dailyValues,
+      apparent_temperature_min: dailyValues,
+      precipitation_probability_max: dailyValues,
+      precipitation_sum: dailyValues,
+      relative_humidity_2m_mean: dailyValues,
+      wind_speed_10m_max: dailyValues,
+      wind_gusts_10m_max: dailyValues,
+      uv_index_max: dailyValues,
+      sunrise,
+      sunset: days.map((day) => `${day}T21:00`),
+      daylight_duration: dailyValues,
+    },
+  };
+};
+
+beforeEach(() => {
+  vi.clearAllMocks();
+  weatherRequestHandler.invalidateCache();
+});
+
+describe("weather request handler", () => {
+  it("requests bounded useful forecasts and normalizes location times", async () => {
+    const response = makeWeatherResponse();
+    response.hourly.temperature_2m = [null];
+    response.daily.sunrise[1] = null;
+    mockFetch.mockResolvedValue(new Response(JSON.stringify(response)));
+
+    const first = await weatherRequestHandler.handler({ latitude: 48.85, longitude: 2.35 }).getDataAsync();
+    const second = await weatherRequestHandler.handler({ latitude: 48.85, longitude: 2.35 }).getDataAsync();
+
+    expect(first.data.current.observedAt).toBe("2026-07-01T10:00:00.000Z");
+    expect(first.data.hourly).toHaveLength(24);
+    expect(first.data.daily).toHaveLength(7);
+    expect(first.data.daily[0]?.date).toBe("2026-07-01");
+    expect(first.data.hourly[0]?.temperature).toBeNull();
+    expect(first.data.hourly[1]?.temperature).toBeNull();
+    expect(first.data.daily[0]?.sunriseAt).toBeNull();
+    expect(first.data.daily[1]?.sunriseAt).toBe("2026-07-02T03:00:00.000Z");
+    expect(second.data).toStrictEqual(first.data);
+    expect(mockFetch).toHaveBeenCalledOnce();
+
+    const requestUrl = new URL(String(mockFetch.mock.calls[0]?.[0]));
+    expect(requestUrl.searchParams.get("forecast_hours")).toBe("24");
+    expect(requestUrl.searchParams.get("forecast_days")).toBe("7");
+    expect(requestUrl.searchParams.has("past_days")).toBe(false);
+    expect(requestUrl.searchParams.get("timezone")).toBe("auto");
+    expect(requestUrl.searchParams.get("current")).toContain("apparent_temperature");
+    expect(requestUrl.searchParams.get("hourly")).toContain("precipitation_probability");
+    expect(requestUrl.searchParams.get("daily")).toContain("uv_index_max");
+  });
+
+  it("rejects unsuccessful Open-Meteo responses", async () => {
+    mockFetch.mockResolvedValue(new Response("unavailable", { status: 503 }));
+
+    await expect(weatherRequestHandler.handler({ latitude: 48.85, longitude: 2.35 }).getDataAsync()).rejects.toThrow();
+  });
+});

packages/request-handler/src/weather.ts

@@ -1,73 +1,254 @@
+import dayjs from "dayjs";
+import timezone from "dayjs/plugin/timezone";
+import utc from "dayjs/plugin/utc";
 import { z } from "zod";
 
+import { ResponseError } from "@homarr/common/server";
 import { fetchWithTrustedCertificatesAsync } from "@homarr/core/infrastructure/http";
 import { withTimeoutAsync } from "@homarr/core/infrastructure/http/timeout";
 
 import { createWidgetRequestHandler } from "./lib/widget-request-handler";
 
+dayjs.extend(utc);
+dayjs.extend(timezone);
+
+const HOURLY_FORECAST_LENGTH = 24;
+const DAILY_FORECAST_LENGTH = 7;
+
+const requestWeatherAsync = async (input: { latitude: number; longitude: number }): Promise<Weather> => {
+  const url = new URL("https://api.open-meteo.com/v1/forecast");
+  url.searchParams.set("latitude", input.latitude.toString());
+  url.searchParams.set("longitude", input.longitude.toString());
+  url.searchParams.set(
+    "current",
+    [
+      "temperature_2m",
+      "relative_humidity_2m",
+      "apparent_temperature",
+      "is_day",
+      "precipitation",
+      "weather_code",
+      "wind_speed_10m",
+      "wind_gusts_10m",
+    ].join(","),
+  );
+  url.searchParams.set(
+    "hourly",
+    [
+      "temperature_2m",
+      "apparent_temperature",
+      "precipitation_probability",
+      "precipitation",
+      "weather_code",
+      "relative_humidity_2m",
+      "wind_speed_10m",
+      "wind_gusts_10m",
+    ].join(","),
+  );
+  url.searchParams.set(
+    "daily",
+    [
+      "weather_code",
+      "temperature_2m_max",
+      "temperature_2m_min",
+      "apparent_temperature_max",
+      "apparent_temperature_min",
+      "precipitation_probability_max",
+      "precipitation_sum",
+      "relative_humidity_2m_mean",
+      "wind_speed_10m_max",
+      "wind_gusts_10m_max",
+      "uv_index_max",
+      "sunrise",
+      "sunset",
+      "daylight_duration",
+    ].join(","),
+  );
+  url.searchParams.set("timezone", "auto");
+  url.searchParams.set("forecast_hours", HOURLY_FORECAST_LENGTH.toString());
+  url.searchParams.set("forecast_days", DAILY_FORECAST_LENGTH.toString());
+
+  const res = await withTimeoutAsync(async (signal) => {
+    return await fetchWithTrustedCertificatesAsync(url.toString(), { signal });
+  });
+  if (!res.ok) throw new ResponseError(res);
+
+  const json: unknown = await res.json();
+  const weather = await atLocationOutput.parseAsync(json);
+  const currentLocalDate = weather.current.time.slice(0, 10);
+  const matchedCurrentDayIndex = weather.daily.time.indexOf(currentLocalDate);
+  const currentDayIndex = matchedCurrentDayIndex < 0 ? 0 : matchedCurrentDayIndex;
+  const dailyIndexes = weather.daily.time
+    .map((_, index) => index)
+    .slice(currentDayIndex, currentDayIndex + DAILY_FORECAST_LENGTH);
+  return {
+    timezone: weather.timezone,
+    utcOffsetSeconds: weather.utc_offset_seconds,
+    current: {
+      observedAt: toUtcInstant(weather.current.time, weather.timezone),
+      temperature: weather.current.temperature_2m,
+      apparentTemperature: weather.current.apparent_temperature,
+      relativeHumidity: weather.current.relative_humidity_2m,
+      precipitation: weather.current.precipitation,
+      weatherCode: weather.current.weather_code,
+      weathercode: weather.current.weather_code,
+      windSpeed: weather.current.wind_speed_10m,
+      windspeed: weather.current.wind_speed_10m,
+      windGusts: weather.current.wind_gusts_10m,
+      isDay: weather.current.is_day === 1,
+    },
+    hourly: weather.hourly.time.slice(0, HOURLY_FORECAST_LENGTH).map((value, index) => {
+      return {
+        observedAt: toUtcInstant(value, weather.timezone),
+        temperature: weather.hourly.temperature_2m[index] ?? null,
+        apparentTemperature: weather.hourly.apparent_temperature[index] ?? null,
+        precipitationProbability: weather.hourly.precipitation_probability[index] ?? null,
+        precipitation: weather.hourly.precipitation[index] ?? null,
+        weatherCode: weather.hourly.weather_code[index] ?? null,
+        relativeHumidity: weather.hourly.relative_humidity_2m[index] ?? null,
+        windSpeed: weather.hourly.wind_speed_10m[index] ?? null,
+        windGusts: weather.hourly.wind_gusts_10m[index] ?? null,
+      };
+    }),
+    daily: dailyIndexes.map((index) => {
+      const value = weather.daily.time[index] ?? currentLocalDate;
+      return {
+        date: value,
+        time: value,
+        weatherCode: weather.daily.weather_code[index] ?? 404,
+        maxTemperature: weather.daily.temperature_2m_max[index] ?? null,
+        maxTemp: weather.daily.temperature_2m_max[index] ?? undefined,
+        minTemperature: weather.daily.temperature_2m_min[index] ?? null,
+        minTemp: weather.daily.temperature_2m_min[index] ?? undefined,
+        maxApparentTemperature: weather.daily.apparent_temperature_max[index] ?? null,
+        minApparentTemperature: weather.daily.apparent_temperature_min[index] ?? null,
+        precipitationProbability: weather.daily.precipitation_probability_max[index] ?? null,
+        precipitation: weather.daily.precipitation_sum[index] ?? null,
+        averageHumidity: weather.daily.relative_humidity_2m_mean[index] ?? null,
+        humidity: weather.daily.relative_humidity_2m_mean[index] ?? undefined,
+        maxWindSpeed: weather.daily.wind_speed_10m_max[index] ?? null,
+        maxWindGusts: weather.daily.wind_gusts_10m_max[index] ?? null,
+        uvIndex: weather.daily.uv_index_max[index] ?? null,
+        sunriseAt: toOptionalUtcInstant(weather.daily.sunrise[index], weather.timezone),
+        sunrise: weather.daily.sunrise[index] ?? undefined,
+        sunsetAt: toOptionalUtcInstant(weather.daily.sunset[index], weather.timezone),
+        sunset: weather.daily.sunset[index] ?? undefined,
+        daylightDuration: weather.daily.daylight_duration[index] ?? null,
+      };
+    }),
+  } satisfies Weather;
+};
+
 export const weatherRequestHandler = createWidgetRequestHandler({
-  async requestAsync(input: { latitude: number; longitude: number }) {
-    const res = await withTimeoutAsync(async (signal) => {
-      return await fetchWithTrustedCertificatesAsync(
-        `https://api.open-meteo.com/v1/forecast?latitude=${input.latitude}&longitude=${input.longitude}&daily=weathercode,temperature_2m_max,temperature_2m_min,sunrise,sunset,wind_speed_10m_max,wind_gusts_10m_max,relative_humidity_2m_mean&current_weather=true&timezone=auto`,
-        { signal },
-      );
-    });
-    const json: unknown = await res.json();
-    const weather = await atLocationOutput.parseAsync(json);
-    return {
-      current: weather.current_weather,
-      daily: weather.daily.time.map((value, index) => {
-        return {
-          time: value,
-          weatherCode: weather.daily.weathercode[index] ?? 404,
-          maxTemp: weather.daily.temperature_2m_max[index],
-          minTemp: weather.daily.temperature_2m_min[index],
-          sunrise: weather.daily.sunrise[index],
-          sunset: weather.daily.sunset[index],
-          maxWindSpeed: weather.daily.wind_speed_10m_max[index],
-          maxWindGusts: weather.daily.wind_gusts_10m_max[index],
-          humidity: weather.daily.relative_humidity_2m_mean[index],
-        };
-      }),
-    } satisfies Weather;
-  },
+  cacheTtlMs: 5 * 60 * 1000,
+  requestAsync: requestWeatherAsync,
 });
 
+const nullableNumberArray = z.array(z.number().nullable());
+
 const atLocationOutput = z.object({
-  current_weather: z.object({
-    weathercode: z.number(),
-    temperature: z.number(),
-    windspeed: z.number(),
+  timezone: z.string().min(1),
+  utc_offset_seconds: z.number(),
+  current: z.object({
+    time: z.string(),
+    temperature_2m: z.number(),
+    relative_humidity_2m: z.number(),
+    apparent_temperature: z.number(),
+    is_day: z.number(),
+    precipitation: z.number(),
+    weather_code: z.number(),
+    wind_speed_10m: z.number(),
+    wind_gusts_10m: z.number(),
+  }),
+  hourly: z.object({
+    time: z.array(z.string()),
+    temperature_2m: nullableNumberArray,
+    apparent_temperature: nullableNumberArray,
+    precipitation_probability: nullableNumberArray,
+    precipitation: nullableNumberArray,
+    weather_code: nullableNumberArray,
+    relative_humidity_2m: nullableNumberArray,
+    wind_speed_10m: nullableNumberArray,
+    wind_gusts_10m: nullableNumberArray,
   }),
   daily: z.object({
     time: z.array(z.string()),
-    weathercode: z.array(z.number()),
-    temperature_2m_max: z.array(z.number()),
-    temperature_2m_min: z.array(z.number()),
-    sunrise: z.array(z.string()),
-    sunset: z.array(z.string()),
-    wind_speed_10m_max: z.array(z.number()),
-    wind_gusts_10m_max: z.array(z.number()),
-    relative_humidity_2m_mean: z.array(z.number()),
+    weather_code: nullableNumberArray,
+    temperature_2m_max: nullableNumberArray,
+    temperature_2m_min: nullableNumberArray,
+    apparent_temperature_max: nullableNumberArray,
+    apparent_temperature_min: nullableNumberArray,
+    precipitation_probability_max: nullableNumberArray,
+    precipitation_sum: nullableNumberArray,
+    relative_humidity_2m_mean: nullableNumberArray,
+    wind_speed_10m_max: nullableNumberArray,
+    wind_gusts_10m_max: nullableNumberArray,
+    uv_index_max: nullableNumberArray,
+    sunrise: z.array(z.string().nullable()),
+    sunset: z.array(z.string().nullable()),
+    daylight_duration: nullableNumberArray,
   }),
 });
 
+const toUtcInstant = (value: string, timeZone: string): string => {
+  const parsed = dayjs.tz(value, timeZone);
+  if (!parsed.isValid()) throw new Error(`Invalid weather timestamp: ${value}`);
+  return parsed.utc().toISOString();
+};
+
+const toOptionalUtcInstant = (value: string | null | undefined, timeZone: string): string | null => {
+  if (!value) return null;
+  return toUtcInstant(value, timeZone);
+};
+
 export interface Weather {
+  timezone: string;
+  utcOffsetSeconds: number;
   current: {
-    weathercode: number;
     temperature: number;
+    apparentTemperature: number;
+    relativeHumidity: number;
+    precipitation: number;
+    weatherCode: number;
+    weathercode: number;
+    windSpeed: number;
     windspeed: number;
+    windGusts: number;
+    isDay: boolean;
+    observedAt: string;
   };
+  hourly: {
+    observedAt: string;
+    temperature: number | null;
+    apparentTemperature: number | null;
+    precipitationProbability: number | null;
+    precipitation: number | null;
+    weatherCode: number | null;
+    relativeHumidity: number | null;
+    windSpeed: number | null;
+    windGusts: number | null;
+  }[];
   daily: {
+    date: string;
     time: string;
     weatherCode: number;
+    maxTemperature: number | null;
     maxTemp: number | undefined;
+    minTemperature: number | null;
     minTemp: number | undefined;
-    sunrise: string | undefined;
-    sunset: string | undefined;
-    maxWindSpeed: number | undefined;
-    maxWindGusts: number | undefined;
+    maxApparentTemperature: number | null;
+    minApparentTemperature: number | null;
+    precipitationProbability: number | null;
+    precipitation: number | null;
+    averageHumidity: number | null;
     humidity: number | undefined;
+    maxWindSpeed: number | null;
+    maxWindGusts: number | null;
+    uvIndex: number | null;
+    sunriseAt: string | null;
+    sunrise: string | undefined;
+    sunsetAt: string | null;
+    sunset: string | undefined;
+    daylightDuration: number | null;
   }[];
 }