Weather APIs
Weather APIs help teams add forecasts, current conditions, historical observations, and climate signals to products without maintaining their own meteorological datasets. This category is useful for travel apps, logistics dashboards, field-service tools, insurance workflows, outdoor marketplaces, and any product that needs location-aware weather context. When comparing providers, look closely at forecast accuracy, update frequency, global coverage, alert support, rate limits, and how quickly you can move from prototype to production. Some weather APIs are optimized for lightweight mobile experiences, while others focus on enterprise planning, historical data depth, or specialized datasets such as astronomy and air quality.
The UV Index API provides real-time data on ultraviolet index levels for various locations in Singapore. Users can retrieve the latest UV index information updated every hour…
This API provides real-time readings of temperature, humidity, precipitation, and wind conditions across various weather stations in Singapore at intervals of up to one minute.…
This API provides weather data, including current conditions, forecasts, and historical weather information. It allows users to access weather information for various locations…
Pollutants and pollen forecast in 11 km resolution
Public API for Aare river data including temperature, flow rate, weather forecasts, and more. Non-commercial use allowed with customizable app and version parameters.
Simulated river discharge at 5 km resolution from 1984 up to 7 months forecast.
WeatherXu provides comprehensive weather data through a simple JSON-based REST API. Users can access current conditions, hourly forecasts, and 10-day predictions for any…
The Automatic Weather Stations API provides access to data from around 160 automatic measurement stations within the SwissMetNet network. It delivers vital meteorological data…
This API provides current weather data for a specified location, presenting information visually through Glax. Users can retrieve data in JSON or PNG formats and customize…
The Meteoprog Weather API provides comprehensive weather data, allowing integration of fast and accurate weather forecasts into various applications and websites. It offers…
This API provides comprehensive weather data including current conditions, hourly forecasts, and daily summaries. It includes metrics such as temperature, humidity, wind speed,…
Description: Access real-time buoy readings and information from the National Data Buoy Center (NDBC) with this API. Currently under development, it provides essential data for…
The 7Timer Weather API provides global numerical weather forecasts derived from high-resolution models. Users can access weather data in graphical or machine-readable formats…
Open-Meteo is an open-source weather API and offers free access for non-commercial use. No API key required. Start using it now!
Provides real-time UV Index and 5 day Hourly UV Index Forecast globally without API Key. Single endpoint for current UV Index and forecast based on latitude/longitude.
This API provides machine-to-machine access to aviation weather data, including METARs, TAFs, AIRMETs, and SIGMETs. It enables users to fetch up-to-date weather information for…
The UV Index API provides real-time and 5-day forecast data for UV index levels based on geographic coordinates. It's free to use with no API key required, making it accessible…
This API provides access to environmental monitoring data, including key parameters such as humidity, temperature, and carbon dioxide levels, from selected areas within NOI…
WeatherAPI.com free weather API and weather data and Geolocation API (JSON and XML) for hourly, daily and 15 min interval weather, historical data, bulk.
Explore how your organization can utilize Google Map Platform’s products and tools to create custom maps, access geospatial data and analytics, and drive.
Receive any type of current weather information or most accurate forecasts through a custom API.
Delivers weather forecast, historical weather, and climate trends.
Weatherbit Use our API to access current, forecast, and historical weather data to power your applications.
Learn how to use the Rain Viewer API to access weather radar data for personal and educational use.
These API endpoints provide access to a wide range of weather data, including current conditions, forecasts, alerts, indices, alarms, radar and satellite.
Discover weatherstack, the best free weather API providing real-time, historical, and forecast weather data worldwide.
API de previsão do tempo com dados precisos para milhares de cidades.
Observatory’s data sets released on Government Open Data Portal.
Powers weather forecast and climate trends for apps.
Explore OpenWeather's vast range of weather APIs including the versatile One Call API 3.0.
Global Weather API providing high-resolution weather forecasts and historical data for Maritime, Green Energy and Agricultural applications.
Severe Thunderstorms and Heavy Rain Across the Central US; Wintry Mix in the Northern Plains and Northeast.
Fast, free & simple weather API for history & forecast data.
Weather and astronomy forecast data for apps, widgets, and hobby projects.
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FAQ
What should I compare in a weather API?
Compare forecast reliability, global coverage, update cadence, pricing per request, and whether the provider includes extras like historical weather, astronomy, or air-quality endpoints.