WeatherNext 3: DeepMind's New AI Weather Model Goes Hourly at 5km Resolution — What Engineers Need to Know

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WeatherNext 3: DeepMind's New AI Weather Model Goes Hourly at 5km Resolution — What Engineers Need to Know DeepMind dropped WeatherNext 3 on September 3, 2026, and it's the first global AI weather model that generates forecasts every single hour. The Hacker News reception (236 points) is deserved — this isn't an incremental update. It's an architectural change in how AI weather models ingest data, and it has real implications for renewable energy, aviation