Open-Meteo
Free weather APIs for forecasts, historical data, climate, air quality, and geocoding
About Open-Meteo
Open-Meteo provides weather forecast, historical weather, marine, climate, air quality, and geocoding APIs. It is designed for developers who need reliable weather data without signup friction.
The service is popular with builders because the API is straightforward, generous, and practical for prototypes as well as production apps. It is a great fit for travel tools, logistics dashboards, agriculture apps, and local recommendation products.
Key Features
Global Forecasts
Fetch forecast data for locations worldwide with simple query parameters.
Historical Weather
Analyze past weather for dashboards, research, and product features.
No API Key
Prototype quickly without account setup or credential management.
Multiple Datasets
Use weather, air quality, marine, climate, and geocoding APIs from one provider.
Specifications
- Protocol
- REST
- Auth
- No key required
- Data
- Forecast, archive, climate, air quality
- Format
- JSON