DeepMind's WeatherNext 3 Trains on Raw Satellite Data, Drops 6-Hour to Hourly Forecasts
dair_ai · x · 2026-09-07
Google DeepMind's WeatherNext 3 fixes a core flaw of prior AI weather models, which trained on analysis data (itself another model's output) and thus inherited its biases. The new model ingests low-latency geostationary satellite data, refreshing forecasts hourly instead of every six, matches the best physics-based global models at 0.1-degree resolution with hourly steps including solar radiation and cloud cover, and learns targets in observation space — directly predicting satellite-derived precipitation, tropical cyclone tracks, and station observations, enabling 2m temperature/dewpoint at any location.
Related event: DeepMind Unveils WeatherNext 3, Trained Directly on Real-Time Observations(2 posts)→
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