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Google DeepMind Launches WeatherNext 3 With Hourly Global Forecast Updates

September 9, 2026 at 14:39 EDT

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Google DeepMind and Google Research have launched WeatherNext 3, a global AI weather model that ingests live satellite observations and refreshes forecasts every hour. The system delivers higher-resolution forecasts, precipitation improvements and renewable-energy variables across Google products and cloud services.

Sep 3, 2026 · Google DeepMind

WeatherNext 3 Goes Hourly

Google’s new global weather model ingests live satellite observations, producing more frequent and more localized forecasts for people, businesses and renewable-energy operators.

The update cycle changes from six hours to one

6 hours

WeatherNext 2 cycle

1 hour

WeatherNext 3 refresh

5 km

Selected surface resolution

Forecast ensemble members

15 days

Main forecast horizon

From observation to decision

Live satellite mosaics

→

Hourly model initialization

→

Forecasts for apps, energy and enterprise

Practical upside

Finer, more frequent forecasts can support storm tracking, renewable-energy planning and local decisions.

Important limits

The system remains experimental, and selected outputs can contain bias, artifacts or discontinuities.

Decision rule

More detail does not replace expert judgment.

WeatherNext 3 is designed to support forecasting workflows; official meteorological services remain the authority for warnings and advisories.

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