Rainbow Weather raises $5.5M to refine real-time weather forecasting

Warsaw, Poland 26 January 2026 – Rainbow Weather has raised $5.5 million in seed funding to push weather forecasting further into the short-term, high-precision territory it believes the industry still underserves. The Warsaw-based climate tech startup focuses on hyperlocal, minute-by-minute forecasts, zeroing in on what happens in the next few hours rather than days out. The round was backed by a syndicate of investors, including Yuri Gurski, founder of Flo Health, one of Europe’s best-known consumer tech unicorns. Rainbow Weather’s core product is a mobile app that delivers four-hour precipitation forecasts calculated from the exact moment a user checks the…

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