OpenWeatherMap
openweathermap
The OpenWeatherMap integration uses OpenWeatherMap as a source for meteorological and air quality data for your location.
In Apple Home through HomeKit Bridge
What HomeKit Bridge makes of each kind of entity this integration creates, read from its source code. A device only gets the ones that apply to it.
| Entity | Shows up as | Note |
|---|---|---|
sensor | Sensor (NO₂, PM10, PM2.5, carbon monoxide, humidity, temperature) |
What people report
Cloud weather service. New accounts only get One Call API 4.0, which the integration's v3.0 mode does not support yet; a fix was in progress.
- Works1
- Not working1
| Device | In Home Assistant | In Apple Home | What they said | Source |
|---|---|---|---|---|
| OpenWeatherMap One Call API 3.0 | Works Cloud | Works with a 3.0 subscriptionSaved copyBreaking change Removed YAML support for OpenWeatherMap. Existing users should set up their integration using the config flow in the UI. ## Proposed change Added support for OpenWeatherMap's One Call API, meaning that weather and forecast can be retrieved with a single request. Th Excerpt saved from GitHub on 2026-10-23. | PR #39839 · 2020-09 | |
| OpenWeatherMap One Call API 4.0 | Not working Cloud | New 4.0-only accounts fail setup in v3.0 mode; fix in progressSaved copyThe problem Home Assistant Core version: 2026.6.3 Problem: OpenWeatherMap integration in mode "v3.0" fails with "Failed setup". Environment: - New OpenWeatherMap account - One Call API 4.0 subscription: Activated Testing: - https://api.openweathermap.org/data/4.0/onecall?... -> returns valid JSON - https://api.openweathermap.org/data/3.0/onecall?... -> returns HTTP 401 OpenWeather support confirmed: - One Call API 3.0 and 4.0 are separate products. - They use different endpoints. - They require separate subscriptions. - Both subscriptions cannot coexist on the same account. As a result, new … Excerpt saved from GitHub on 2026-10-23. | Issue #174333 · 2026-06 |
Gathered from GitHub issues, pull requests, discussions and docs, and from r/homeassistant. These are individual reports, so check the linked thread and the date before you buy.
How it connects
Cloud polling
Goes through the maker’s cloud, asking it for updates every so often. Needs the internet and an account.
Details
| Installs (analytics) | 25,168 (3.55%) |
|---|---|
| Added in | Home Assistant 0.32 |
| Set up in the UI | Yes |
| Maintainers | @fabaff, @freekode, @nzapponi, @wittypluck |
In ReReHome
Whatever HomeKit Bridge shares reaches Apple Home as normal HomeKit accessories behind your Home Assistant bridge, so ReReHome shows and controls them like any other.
Bridges get their own settings page listing the accessories behind them.
