Open-Meteo is a free and open-source weather API for non-commercial use
4 months ago
- #weather-api
- #forecast
- #open-source
- Open-Meteo is an open-source weather API offering free access for non-commercial use without requiring an API key.
- Partners with national weather services to provide high-resolution weather data (1-11 km) with intelligent model selection for accuracy.
- User-friendly JSON API for easy integration into applications, providing comprehensive weather forecasts worldwide.
- Forecasts include hourly resolution, with localized models for initial days and global models for up to 16 days.
- Local weather models update hourly, incorporating real-time data from airplanes, buoys, radars, and satellites.
- Historical Weather API offers over 80 years of hourly data at 10 km resolution, with 1 km models archiving recent data.
- Entire codebase is open-source (AGPLv3) on GitHub, allowing customization and self-hosting for unlimited API calls.
- Data licensed under CC BY 4.0, permitting commercial use with attribution.
- Free API access for non-commercial use with no registration; commercial or high-volume users can opt for a subscription.
- APIs are HTTP-based with JSON format, supported by comprehensive documentation for various programming languages.
- Continuous updates and new features announced via blog and social media (X).