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Rainbow Weather raises $5.5M in seed funding led by Yuri Gurski to enhance short-term weather forecasting.

PRIVATEJan 26, 2026•5 months ago

Amount Raised

$5.5 Million

Round Type

seed

Masovian VoivodeshipMobileArtificial IntelligenceEducation

Investors

Yuri Gurski

Description

Rainbow Weather has raised $5.5 million in seed funding to push weather forecasting further into short-term, high-precision territory. The Warsaw-based climate tech startup focuses on hyperlocal, minute-by-minute forecasts. The round was backed by a syndicate of investors, including Yuri Gurski, founder of Flo Health. Their app delivers four-hour precipitation forecasts refreshed every 10 minutes.

Company Information

Company

Rainbow Weather

Location

Masovian Voivodeship, Poland

About

Rainbow Weather is a Warsaw-based climate tech startup focused on refining short-term, high-precision weather forecasting. The company offers a mobile app that provides hyperlocal, minute-by-minute precipitation forecasts, updated every 10 minutes. By using machine learning and data from diverse sources, they aim to deliver more accurate forecasts than traditional weather services. Rainbow Weather also seeks to expand its offerings beyond precipitation tracking to include features for wildfires and hurricanes.

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Fundz is a real-time business intelligence platform powered by agentic AI that proactively delivers personalized daily signals — including funding rounds, executive changes, M&A activity, 13F institutional filings, SEC 8-K events, investor activity, and website modifications — based on each user's watchlist and ICP. A trusted data source at firms such as BlackRock, Oracle, Kleiner Perkins, LinkedIn, HubSpot, and Cloudflare, Fundz democratizes the institutional-grade intelligence that previously required a PitchBook or Bloomberg terminal. Features include FundzWatch™ for automated website change detection, Daily Briefing for AI-powered daily briefings, and unified cross-signal alerts across 200,000+ companies. Developers and data teams can access these signals programmatically via the Fundz Funding Data API, with transparent published pricing.

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