Weather

Climate Data Online (CDO) provides free access to NCDC's archive of global historical weather and climate data in addition to station history information. These data include quality controlled daily, monthly, seasonal, and yearly measurements of temperature, precipitation, wind, and degree days as well as radar data and 30-year Climate Normals. Customers can also order most of these data as certified hard copies for legal use.

Global historical and weather forecast data

Data from Personal Weather Stations called senseBoxes

Meteorological data of the Basque Country

Air Quality Index Data for over 1000 cities

US National Weather Service

The AccuWeather APIs, available on their developer website, provide a range of weather and forecast data that can be integrated into various applications and services. With these APIs, developers can access current weather conditions, hourly and daily forecasts, and historical weather data for locations around the world. The AccuWeather APIs are powered by advanced forecasting technologies, providing accurate and reliable weather information to millions of people every day. Whether you're building a weather app, a travel website, or just want to stay informed about the latest weather conditions, the AccuWeather APIs are a valuable resource that can help you meet your needs. So why not check them out today and see how they can enhance your applications and services?

Weather radar data, worldwide. Tile server and single radar images. API is free. RainViewer gets radar data from different sites across the Internet for free therefore we share all this data for everyone for free as well. Use whatever you want. We do not guarantee the availability of radar data. We do not conclude contracts with owners of this data, that’s because owners can kindly ask us to remove their data from the RainViewer, change the format or stop sharing this data at all. We’re trying to keep radar data as much as possible, but sometimes they stop just serving the images. You can change any image received by this API without any restrictions (for example, apply your color scheme for the pictures).

7Timer! is a series of web-based meteorological forecast products, mainly derived from the NOAA/NCEP-based numeric weather model, the Global Forecast System (GFS).

NOAA aviation weather forecasts and observations

Retrieve instant, accurate weather information for any location in the world in lightweight JSON format

Provides weather forecast data for cities in Brazil

Weather and climate data. This is version 3 of the MET Weather API. For a list of changes since version 2, see the Release Notes for v.3. The weather data API is loosely based on the REST style of web service programming. All queries are done via HTTP GET, and the results are returned as either XML or the binary format appropriate for the data, as documented by each module.

Real time weather forecasts and historic data

Weather

Climate Data Online (CDO) provides free access to NCDC's archive of global historical weather and climate data in addition to station history information. Is it foggy? Rainy? A clear day? If you need a description of what the weather is like, simply request the weather code. As our beloved API consumers, we provide full access to our library of weather icons. Be sure to place a “Powered by ClimaCell” attribution in your application if you use our icons.

Global marine weather data from multiple sources in one single API! The Storm Glass API allows you to fetch weather data for any coordinate on the globe in a simple, programmatic way using conventional HTTP requests. When a request is successful, a response will be sent back in the form of a JSON object.

MetaWeather is an automated weather data aggregator that takes the weather predictions from various forecasters and calculates the most likely outcome. MetaWeather provides an API that delivers JSON over HTTPS for access to our data.

Colorful Clouds Weather API provided accurate weather forecast for the public and partners. We provide two kind of nowcasting service: pointwise API calls specified by latitude and longitude forecasted weather radar images and forecasted data matrix.

Weather and weather webcams. This is the api to access the ODWeather API information. Get data from the aemet stations. Get data from the socib bahia de palma buoy. Get data from the weather display software. Get data from the easywind weather stations. Get stations in an event.

Provide weather information, earthquake information, and climate data

Weather API Powered by Proprietary Technology

Assesses weather condition in specific locations

Real-time UV Index Forecast. Global Real-Time UV Index Forecast API for inspiring Devs, Innovators and Smart Home Enthusiasts you've been looking for. Real-time Ultraviolet Radiation Index evaluation based on publications of The Royal Netherlands Meteorological Institute (KNMI), The National Institute of Water and Atmospheric Research (NIWA) of New Zealand and near-real-time Ozone datasets from OMI, AURA Satellite, NASA. Get UV Index Forecast for any date and at any location. Correct clear sky UV Index using clouds absorption and area reflection factors. Recommend ideal protection time to your users based on their skin type. Check our Knowledge Base for more app ideas and start making difference today! Just 3 minutes time to your first "Hello API". No POST endpoints. CORS supported. Sign in into Dev Console and start test API today. Need more than 50 daily requests? Check our Extended Plan for just $7.99 USD/month. Payments and billing processed by Stripe.

Location-based weather data

APIXU weather and geolocation API provides you with access to get real-time, future and historical data ranging from weather, sports, astronomy, currency and much more for your website or application for any IP address, city, zip or geo point in the world. Real-Time & Historical World Weather Data API Retrieve instant, accurate weather information for any location in the world in lightweight JSON format Trusted by 75,000 companies worldwide START USING THE API — It's free!

70+ years of global, hourly historical and forecast weather data from NOAA and ECMWF

Weather API with other stuff like Astronomy and Geolocation API

Global weather forecast API for non-commercial use

The Storm Glass API provides high-resolution forecasts for up to 10 days ahead as well as historical data. Marine data including tide is available for all oceans and seas word wide.

Weather and forecast data from Spain

With our Weather API you can retrieve current weather observations from over 45,000 live weather stations, historical weather data for the past 10 years from our archive of more than 120,000 stations, and highly localized weather forecasts for any point on the globe using the world's most trusted weather models!