Category
Weather APIs
45 APIs, 20 of them with no auth listed. Each one links to its own page with auth, HTTPS, CORS and the official docs.
APIs45
No auth listed44%20 of 45
HTTPS93%
CORS enabled40%
Docs link reachable93%at the last weekly check
Quick starts
No key, HTTPS and CORS, and the docs link answered at the last check: call these from a web page in minutes.
FMI Open DataFinnish weather, sea, climate and radar observations via open WFS
NASA POWERGlobal solar and weather data for energy and agriculture
Open-Meteo EnsembleWeather ensemble forecasts from multiple models
Pirate WeatherFree weather API with forecast data similar to Dark Sky
US WeatherUS National Weather Service
WeatherTotalsMeasured US snow, rain, hail and aurora totals by state and city
All Weather APIs
7Timer!Weather, especially for AstroweatherNo auth- AccuWeatherWeather and forecast dataapiKey
AemetWeather and forecast data from SpainapiKey
APIXUWeatherapiKey
AQICNAir Quality Index Data for over 1000 citiesapiKey
AviationWeatherNOAA aviation weather forecasts and observationsNo auth- ColorfulCloudsWeatherapiKeyCORS
EuskalmetMeteorological data of the Basque CountryapiKey
FMI Open DataFinnish weather, sea, climate and radar observations via open WFSNo authCORS
ForecaWeatherOAuth- Hail HistoryRadar-detected hail history for any US address from NOAA NEXRAD Level-III hail detections, by yearNo authCORS
HG WeatherProvides weather forecast data for cities in BrazilapiKeyCORS
Hong Kong ObervatoryProvide weather information, earthquake information, and climate dataNo auth- IPMAPortuguese weather and climate dataNo auth
KNMIDutch weather, radar and climate dataapiKey- MeltemaMulti-model weather: GFS, ECMWF AIFS/IFS and a 31-member GEFS ensemble, keyless point forecastsNo authLink down
Met Office DataHubUK weather forecasts and climate dataapiKey
Météo-FranceFrench weather forecasts and alertsapiKey
Meteorologisk InstituttWeather and climate dataUser-AgentMicro WeatherReal time weather forecasts and historic dataapiKeyLink down
NASA POWERGlobal solar and weather data for energy and agricultureNo authCORS- NOAA CO-OPSUS coastal tides, water levels, currents and meteorological observationsNo auth
ODWeatherWeather and weather webcamsNo authLink down
Oikolab70+ years of global, hourly historical and forecast weather data from NOAA and ECMWFapiKeyCORS
Open-Meteo EnsembleWeather ensemble forecasts from multiple modelsNo authCORS- openSenseMapData from Personal Weather Stations called senseBoxesNo authCORS
OpenUVReal-time UV Index ForecastapiKey
OpenWeatherMapWeatherapiKey
Pirate WeatherFree weather API with forecast data similar to Dark SkyNo authCORS
QWeatherLocation-based weather dataapiKeyCORS
Rainbow WeatherGlobal real-time nowcasting API powered by radar + satellite fusionapiKey
RainViewerRadar data collected from different websites across the InternetNo auth
Storm GlassGlobal marine weather from multiple sourcesapiKeyCORS- Terrace WeatherTerrace open/closed verdict for restaurants, from the weather forecastNo authCORS
TomorrowWeather API Powered by Proprietary TechnologyapiKey
US WeatherUS National Weather ServiceNo authCORS
Visual CrossingGlobal historical and weather forecast dataapiKeyCORS
weather-apiA RESTful free API to check the weatherNo auth
WeatherAPIWeather API with other stuff like Astronomy and Geolocation APIapiKeyCORS
WeatherbitWeatherapiKey
WeatherstackReal-Time & Historical World Weather Data APIapiKey
WeatherTotalsMeasured US snow, rain, hail and aurora totals by state and cityNo authCORS
World Time & WeatherCurrent weather, local time, UTC offset and DST rules for 400 cities as static JSONNo authCORS
wttr.inWeather in your terminal, supports JSON outputNo authCORS
Yandex.WeatherAssesses weather condition in specific locationsapiKey