Update to Google’s AI weather model improves forecast accuracy
Summary
Google’s WeatherNext 3 AI weather model now ingests raw satellite data, reducing lag and enabling hourly forecasts. The update includes a larger model, higher spatial resolution, and a separate satellite-precipitation model, delivering improved forecast accuracy—reportedly up to 30% for surface temperature and better performance than some traditional models in several metrics. WeatherNext 3 is now the default forecast source across Google services like Search, Gemini, and Maps.