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Aurora

by MicrosoftUS

Make accurate weather and Earth-system forecasts cheap and fast enough for anyone to run and fine-tune, from energy traders to farmers and climate-risk planners.

DeployStage 4 of 5

Aurora 1.5 (July 2026) adds ensemble forecasts and 22 new variables; feeds Microsoft Weather and Foundry.

Updated 9 Jul 2026Checked 11 Oct0 updates this week

Milestones

Next · Rollout via Microsoft Weather, Foundry, Planetary Computer Pro
  1. Aurora introduced (research preprint)3 Jun 2024Complete.
  2. Published in Nature; code and weights openedMay 2025Complete.
  3. Hourly version in MSN WeatherMay 2025Complete.
  4. Aurora 1.5: ensembles, 26 variables, hourly steps9 Jul 2026Complete.
  5. Rollout via Microsoft Weather, Foundry, Planetary Computer ProNowCurrent milestone.

Most important updates

Primer