Weather and climate
Forecast, observation and climate data services. Check geographic coverage, freshness, attribution and usage restrictions.
Services are ordered by documented operations, attributed reports and current documentation. 18 services are classified here. Each card shows the interfaces a service offers; open it for access requirements and sources.
Categories · Tasks · Interfaces · How listings are checked
Open-Meteo
Free weather forecast and historical weather API — 30+ models, historical weather from 1940.
Weather and climate
API · Documentation checked: 2026-10-12API · Documentation checked: 2026-10-07API · Documentation checked: 2026-10-07API · Documentation checked: 2026-10-07API · Access documentation verifiedNational Weather Service
The U.S. National Weather Service API provides access to forecasts, alerts, observations, and related weather data.
Weather and climate
API · Documentation checked: 2026-10-06API · Access documentation verifiedOpenWeatherMap
Weather data APIs: current, forecast and historical weather for any location.
Weather and climate
API · Access documentation verifiedSwath API
Swath API provides radar-measured hail event intelligence and property exposure reports; its monitor API registers a named coverage area and sends signed webhook alerts when a verified storm crosses it.
Weather and climate · property data · alerts · api
API · Documentation checked: 2026-10-10Open Waters
Open Waters publishes open marine software and data, including tide predictions from harmonic constituents for stations worldwide.
tides · marine-data · Weather and climate · api
API · Access documentation verifiedWeatherAPI.com
Weather and geolocation data API with real-time conditions, forecasts, history, and location lookup.
Weather and climate · geolocation · Public data
API · Access documentation verifiedSunrise-Sunset.org
Sunrise-Sunset.org provides API v2 solar events and twilight data for a location, including automatic local timezone and date ranges.
Weather and climate · astronomy · geolocation · Developer tools
API · Access documentation verifiedWeatherbit
Weather data APIs for current conditions, forecasts and related products.
Weather and climate
API · Access documentation verifiedVisual Crossing
Visual Crossing provides an official, first-party remote MCP server for weather data.
Weather and climate · Developer tools
MCP · Access documentation verifiedPirate Weather
Forecast weather API using a Dark Sky-compatible response format and public weather data sources.
Weather and climate · Public data
API · Access documentation verifiedSnowSure
SnowSure provides ski resort snow data, conditions, forecasts and history.
Weather and climate · ski · Travel and booking · api
API · Access documentation verifiedWeatherkind
Weather intelligence API for current conditions, operational forecasts and historical observations.
Weather and climate · forecasting · environmental data
API · Access documentation verifiedNOAA National Centers for Environmental Information
NOAA NCEI Climate Data Online web services provide access to weather and climate data for developer scripts and programs.
Public data
API · Access documentation verifiedAPI · Documentation checked: 2026-10-06Tomorrow.io
Tomorrow.io provides current weather data and forecasts through its weather APIs.
Weather and climate · forecast · environmental data
API · Access documentation verifiedMET Norway
MET Norway publishes a weather API; its Locationforecast service provides forecasts for geographic coordinates.
Weather and climate
API · Documentation checked: 2026-10-06API · Documentation checked: 2026-10-05KNMI
KNMI is the national weather and climate institute of the Netherlands. Its EDR API supports spatio-temporal queries against environmental data collections.
Weather and climate · Environmental data · Research and knowledge · API
API · Documentation checked: 2026-10-11Stormglass
A global weather and marine forecast service with an API for hourly forecasts by coordinate.
Weather and climate · Environmental data · api
API · Documentation checked: 2026-10-10Meteomatics
Meteomatics provides a commercial weather intelligence service and documents an authenticated weather-data API for coordinate-based queries.
Weather and climate · data and analytics · Developer tools
API · Documentation checked: 2026-10-12BarentsWatch
Norwegian public information service with documented APIs including maritime and aquaculture data.
marine-data · Public data · weather-forecast · maritime
API · Documentation checked: 2026-10-11RealUptime
Uptime monitoring service with a public, keyless API for current outage and internet latency readings.
monitoring · Developer tools
API · Documentation checked: 2026-10-09Forecast.Solar
Forecast.Solar estimates solar production from a location, panel orientation, and installed module power.
energy · Weather and climate · API
API · Documentation checked: 2026-10-10