Tomorrow.io
Space-powered AI weather intelligence platform and weather API
About Tomorrow.io
Tomorrow.io (formerly ClimaCell) is a weather intelligence company that sells a developer weather API and an enterprise platform that turns forecasts into operational decisions. It runs its own weather-sensing satellite constellation, DeepSky, and packages industry-specific AI agents for insurance, aviation, energy, rail, trucking, and manufacturing teams. Developers can start on a free API plan; the enterprise platform is sold through sales.
Pros & Cons
Pros
- Free API plan with a quick signup via Google, GitHub, or SSO, so developers can test without a sales call
- Broad data catalog of 60+ layers, including niche ones like pollen, fire, lightning, maritime, and road weather
- Owns its own satellite constellation, which few weather vendors can say
- LLM-oriented tooling (Gale AI API, MCP server) for teams building AI agents on weather data
- Established enterprise customer base, with public case studies from Lufthansa, Uber, Ford Performance, and FOX Sports
Cons
- Paid API and enterprise prices are not published; you need to contact sales
- Free tier caps at 25 requests per hour, which is tight for anything beyond prototyping
- Premium environmental layers sit behind paid plans
- Enterprise platform is aimed at large operations teams and is more than a small business needs
Key Features
Weather Forecast & Realtime API
REST endpoints for current conditions and forecasts by location name or coordinates, with minutely, hourly, and daily timesteps and JSON responses.
Historical Weather API
Hourly and daily historical weather going back up to 20 years, plus climate normals for long-term baselines.
Weather Maps API
Map tiles for weather layers that plug into Mapbox, Google Maps, and other interactive map libraries.
Weather Monitoring and Alerts API
Monitor predefined locations against rule-based conditions built from parameters, operators, and constants, or from industry templates, and receive notifications by webhook.
60+ data layers
Core weather plus specialized layers for air quality, pollen, fire, flood, soil, lightning, maritime, solar, aviation, and road conditions.
LLM-ready access
A Gale AI API for natural-language weather questions and summaries, plus a Tomorrow.io MCP server so AI agents can query weather data.
Industry agentic suites
Prebuilt AI agents per sector: Shield (insurance), Forge (manufacturing), GroundControl (aviation), Gridline (energy), Trackline (rail), and FleetIQ (trucking and logistics).
Weather on routes
Route-level weather risk for fleets and logistics, used to recommend reroutes and keep ETAs stable.
DeepSky satellite constellation
Proprietary weather-sensing satellites that add space-based observations, including over oceans and regions with sparse ground stations.
Pricing
- 500 API requests per day
- 25 requests per hour, 3 per second
- Core weather data layers
- Realtime, forecast, and map tile endpoints
- For testing, evaluation, and small projects
- Priced by API call volume
- Higher rate limits
- Premium layers such as air quality and pollen
- Historical data via token system
- Contact sales for a quote
- Weather Intelligence Platform dashboards and alerts
- Industry agentic suites
- Asset, route, and schedule integrations
- Rate-limit headers and enterprise support
- Demo and quote through sales
Best For
Weather features in apps
Developers add current conditions, forecasts, and weather map overlays to websites, mobile apps, and dashboards through the REST API.
Logistics and fleet routing
Fleet and dispatch teams check route-level weather risk to reroute vehicles, protect drivers, and keep delivery ETAs accurate.
Insurance loss prevention
P&C insurers forecast hail, wind, freeze, and flood at the property level to warn customers and speed up claims validation.
Airport and airline operations
Ramp, runway, and de-icing teams monitor lightning, crosswinds, visibility, and ice to plan stoppages and winter operations.
Utility outage planning
Grid operators forecast weather-driven outage risk by asset and region to pre-stage crews before storms.
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