Explore the World’s Best Weather API
Get reliable and precise weather data through our free API. Count on Tomorrow.io for quick access to up-to-date information, trusted by businesses and developers. Use our advanced interfaces to build weather-dependent features on your app or website.
Leverage Tomorrow.io’s Free Weather API
Weather Forecast & Real-Time API
Integrate accurate and comprehensive weather data into your applications with Tomorrow.io’s free Weather Forecast API, the ultimate solution for developers and businesses. Get the most precise and reliable weather predictions for any location around the world. Enhance your applications and provide your users with valuable weather data insights with our cutting-edge technology and algorithms.
Historical Weather API
Unlock the power of historical data with our Historical Climate API. Access hourly and daily weather data from up to 20 years in the past, providing valuable historical insights for your applications. Climate Normals’ high-resolution data and innovative aggregation options make it an essential tool for anyone looking to understand and manage the impacts of climate change.
Weather Maps API
Enhance your maps with accurate weather conditions using Tomorrow.io’s Weather Maps API. Retrieve map tiles at any given moment and easily integrate them with popular interactive map libraries like Mapbox, Google Maps, and more. Improve user experience and provide valuable insights with the best weather API.
Weather Monitoring API
Access ultra-accurate, hyperlocal data up to 14 days ahead for any location on the globe for free. Get constant monitoring of predefined locations /.llop0-0–0 insights with our Weather Monitoring API. Configure conditions with a combination of parameters, operators, and constants, or select from our rich collection of templates based on your industry’s use case.
Integrate and Adapt with the World’s Best Free LLM-Ready Weather API
Access 60+ hyper-accurate weather layers – now optimized for developers, AI agents, and natural language workflows.
Real Time
Access up-to-the-minute weather insights via JSON or natural language – ideal for AI agents, dashboards, or automation workflows.
Weather Forecast API
Historical Weather API
curl --request GET
--url 'https://api.tomorrow.io/v4/weather/realtime?location=toronto&apikey=XXX'
--header 'accept: application/json'{
"data": {
"time": "2023-02-14T13:53:00Z",
"values": {
"cloudBase": null,
"cloudCeiling": null,
"cloudCover": 5,
"dewPoint": -0.19,
"freezingRainIntensity": 0,
"humidity": 100,
"precipitationProbability": 0,
"pressureSurfaceLevel": 1005.56,
"rainIntensity": 0,
"sleetIntensity": 0,
"snowIntensity": 0,
"temperature": 0.31,
"temperatureApparent": 0.31,
"uvHealthConcern": 0,
"uvIndex": 0,
"visibility": 14.43,
"weatherCode": 1000,
"windDirection": 278.31,
"windGust": 1.19,
"windSpeed": 1.19
}
},
"location": {
"lat": 43.653480529785156,
"lon": -79.3839340209961,
"name": "Old Toronto, Toronto, Golden Horseshoe, Ontario, Canada",
"type": "administrative"
}
}Explore Our Data Catalog
With 60+ different weather data fields possible, including air quality, pollen count, and fire index, you can build almost anything. Improve your project and your operations with the free Tomorrow.io Weather API.
Weather Core
Explore 40+ key weather data fields, including temperature, dewpoint, wind speed, and more.
Air Quality
Understand what precautions to take with respect to pollution, meet EPA standard regulations, and plan your outdoor activity.
Pollen
Estimate areas where plants are germinating and producing pollen that may be lofted into the air. We blend a mixture of statistical and physical/chemical modeling.
Soil
Utilize moisture and temperature data to help plan around agriculture water consumption and railroad risks.
Aviation
Gain an overview of formal airports’ weather reports including METAR, TAF, ASOS, and more.
Fire
Estimate fire danger. Know when and where fire or smoke could impact business operations or communities to help increase safety for employees and local residents.
Flood
Determine the thread of flooding and its impact on infrastructure further in advance.
Lightning
Know when lightning is on the horizon to avoid strikes, plan departures, and avoid energy outages.
Maritime
Implement safe sailing routes and avoid coastal operational risk with relevant oceanic data.
Agriculture
Leverage a variety of data fields to improve agricultural planning and visualize data up to 14 days out.
Precipitation
See and utilize all types of precipitation intensity and duration at all elevations.
Flexible Plans Built to Scale as You Grow
Free
For individuals or teams just getting started
- 5-Day Forecast
- Weather Timelines and Trendlines
- Weather API Access
- Core Weather Data Layers
- Industry-Based Insights Templates
- 24 hours Historical Weather Data
- 1 Automatically monitored Location
- 1 Weather-Based Alert
Enterprise
For teams and companies that need to manage work across initiatives.
- 14-Day Forecast
- Custom SLAs
- Weather on routes
- Tomorrow.io Premium Data Layers: Air Quality Pollen Solar Land Lightning and more
- Technical and Meteorological Support
- SAML – based single sign-on (SSO)
- Custom Automatically Monitored Locations
- Custom Weather-Based Alerts
- Location Types: Point Polygon Polyline
- Advanced historical capabilities
- Weather Maps Solutions
- On Demand RPS
- Minutely Resolution Data
- And more..
Why is Tomorrow.io the World’s Best Weather API?
The Richest Data Catalog
Leverage more than 60 data layers to match your business needs. Tomorrow.io offers the most extensive data catalog available with data layers for a variety of industries.
The Highest-Resolution Data With High Accuracy
Utilize the world’s highest-resolution data with Tomorrow’s proprietary models for every location you need. Combining satellite data and AI/ML, Tomorrow offers the most accurate weather data for forecasting.
An Easy-To-Use API Solution
Access the weather data you need quickly with our easy-to-use API; benefit from a simple, intuitive interface, comprehensive documentation, and hassle-free integration.
The Most Customizable API For Your Application
With the largest data catalog available and our different Weather API solutions, you can find the exact weather data layer and solution for every single location for every use case you care about,
Developer Tools
Check Out Our Community Guidelines
Learn more about how to get in touch with the team via our community guidelines.
Check Out Our Postman Collection
This quickstart will get you up and running with Postman and the Tomorrow.io weather API solutions.
Recipes
A sandbox for experimenting with our API.
Learn More About Our Weather API
Discover how our weather API can transform your projects and decisions in the face of unpredictable weather.
