Welcome to the Rainbow Weather Developer Portal

Our Technology

Rainbow’s proprietary forecasting engine fuses advanced machine learning with physical models of precipitation. Trained on high-resolution environmental data and supported by a multi-source architecture – including satellite imagery, radar, and ground-based sensors – our system produces forecasts that consistently outperform industry benchmarks. A deep learning pipeline enhances data quality through noise filtering, bias correction, and resolution upscaling. Continuous validation against certified global meteorological observations ensures real-time performance monitoring and rapid system adaptation.

Available APIs

Weather Map Tiles API

The Weather Map Tiles API provides customizable map tiles with precipitation forecasts up to 4 hours ahead, updated every 10 minutes. Ideal for integration into map-based apps, dashboards and spatial interfaces.
Features include: global coverage (excluding Africa and parts of Asia), forecast tiles up to 4 hours ahead, 1 sq. km spatial resolution, updates every 10 minutes, and email support.

Free tier: 30,000 calls per month

Pricing: $0.20 / 1,000 calls / month

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Nowcast API

The Nowcast API delivers precipitation forecasts every minute for the next 4 hours at 1 sq. km spatial resolution. Designed for high-frequency, location-specific applications and platforms.
Features include: global coverage (excluding Africa and parts of Asia), time, type, and intensity of precipitation, 1-minute temporal resolution, 1 sq. km spatial resolution, 4-hour forecast horizon, updates every 10 minutes, and email support.

Free tier: 5,000 calls per month

Pricing: $0.10 / 1,000 calls / month

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