Open‑Meteo is a free weather API that requires no API key and returns data in under 10 ms. It serves hourly and 16‑day forecasts from high‑resolution global and regional models and includes 80 years of historical weather. The service is hosted on servers in Europe and North America and is built from openly published national weather model data. It is available for non‑commercial use under CC BY 4.0.
The API is useful for projects that need quick access to forecast and historical weather without a subscription. Its main limitation is that it is only free for non‑commercial use; commercial projects must pay or self‑host. If you need proprietary models or very fine temporal resolution beyond hourly, you’ll need another provider.
more: https://github.com/open-meteo/open-meteo
my other side: ivo.blogspot.com
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