Free APIGeo & WeatherAPI keyOfficial
OpenWeatherMap (Free Access APIs)
60 calls/min and 1M/month of current weather, 5-day forecast, air pollution and geocoding, no card
OpenWeatherMap's Free Access tier covers Current Weather, 3-hour/5-day forecast, the Air Pollution API and Geocoding. It needs a free API key (appid) but no credit card. Worldwide coverage with JSON responses and metric/imperial unit options.
Free tier
Free: 60 calls/min and 1,000,000 calls/month, no credit card. Paid plans for higher volume.Rate limits
60 calls/minute and 1,000,000 calls/month on the free key.Auth
API keyBase URL
https://api.openweathermap.org/data/2.5What you'd build with it
- Current conditions and 5-day forecast lookups in an agent without billing setup
- Air-quality enrichment for a location in an automation
- Geocode addresses or city names before a weather call
- Trigger workflow branches on temperature or weather conditions
Key endpoints
- GET
/weatherCurrent weather by city name or lat/lon - GET
/forecast5-day / 3-hour forecast - GET
/air_pollutionCurrent and forecast air pollution / AQI - GET
https://api.openweathermap.org/geo/1.0/directGeocode a place name to coordinates
Members
Members get the runnable recipe
Sign in free to copy the example request, see a sample response, and read the gotchas.
Tags
weatherforecastair-qualitygeocoding