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ECMWF Open Data

Environment & Climate No key

AuthenticationNo key
Rate limitRolling archive of recent runs only; bulk access via cloud mirrors

Documentation: www.ecmwf.int ยท Checked Sep 13, 2026

About

Europe's weather-forecasting supercomputer centre publishes its latest global model runs as open data. No key, no signup. Grab the rolling archive (roughly the last 12 runs, about 2-3 days) through the ecmwf-opendata Python client or cloud mirrors. Licensed CC BY 4.0.

Details

No key needed. You can call it right away.

Auth: No key

Rate limit: Rolling archive of recent runs only; bulk access via cloud mirrors

Verified: 2026-09-13

Best for: weather developers sailing apps researchers

Read the docs Back to catalog

Setup

  1. Install the client: pip install ecmwf-opendata
  2. Run a retrieve command for the parameters you need
  3. Credit ECMWF (CC BY 4.0) in your product
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