Forecasts

Current conditions, forecasts, alerts and indices for locations worldwide from AccuWeather.

Official Spanish weather forecasts, observations, and climate data, key required.

Discontinued weather API; apixu.com now server-redirects permanently to Weatherstack.

NOAA aviation weather: live METARs, TAFs, PIREPs, and SIGMETs for airports worldwide.

Global weather forecasts with minute-by-minute nowcasting and air-quality data by coordinates.

Retired minute-by-minute forecast service bought by Apple; its successor is the WeatherKit REST API.

Basque Country weather forecasts, station readings, ocean and tide data from the regional met agency.

Global point weather forecasts plus air quality, pollen, marine and ski-resort conditions.

Forecast, satellite/radar and historical weather data by coordinate, queried against GFS, HRRR and NBM models.

Scores backyard grilling conditions 0-100 from live weather, with best-window and weekly forecasts.

Current conditions and 15-day forecasts for Brazilian cities, plus up to 3 years of history.

Real-time Hong Kong weather, warnings, forecasts, climate records and worldwide M6+ earthquake data.

Portuguese government weather forecasts, sea state, UV index, fire risk, and seismic data, no key needed.

Lists and downloads KNMI's raw weather observation, radar and climate datasets by dataset name and version.

Official South Korean weather observations, forecasts and climate records back to 1904.

Nine-day point forecasts for any latitude/longitude with weather symbol codes and UV, richest for the Nordics

UK Met Office's original forecast/observation API for weather stations and sites; now decommissioned.

Official French weather forecasts, radar, climate and vigilance-alert data from 22 Météo-France APIs.

Swiss forecast, historical and dataset weather API with credit-metered packages for many variables.

Norway's national weather service: global forecasts plus Nordic marine, aviation and nowcast data.

Global current, hourly and 30-day forecasts blending weather models with AI, plus air quality data.

Official US forecasts on a 2.5 km grid, active watches and warnings, and station observations, as GeoJSON.

Global hourly historical (from 1940) and forecast weather data by location, billed per data unit.

Hourly and daily forecasts up to 16 days built from national weather-service models, callable without a key.

Per-member probabilistic forecasts (18-51 ensemble runs) from ICON, GFS, ECMWF and other models.

Live readings from crowdsourced senseBox weather/air-quality stations worldwide.

Real-time and hourly UV index forecasts by latitude/longitude, with altitude and ozone adjustments.

Current conditions, 5-day forecasts, air pollution and map layers for any coordinates, plus geocoding.

Global real-time weather, forecasts, air quality, and severe alerts at 1km resolution.

Minute-by-minute precipitation nowcasting, cloud/precip map tiles, and hourly/daily forecasts.

Animated precipitation radar map tiles and forecast overlays from 1,200+ radar stations worldwide.

Marine and weather forecasts (waves, tides, wind, temperature) blended from multiple national models.

Realtime conditions plus hourly (120h) and 5-day forecasts from proprietary models, with 60+ data layers.

US government forecasts, alerts and observations by grid point, in GeoJSON with multiple format options.

Historical weather back 50+ years and 15-day forecasts for any address or coordinate in one timeline query.

Current weather, 14-day forecasts, history from 2010, alerts, marine, astronomy and IP lookup.

Current conditions, 16-day and hourly forecasts, air quality, lightning, alerts and ag/energy degree-day data.

Real-time weather lookup by city or coordinates, plus historical, forecast, and astronomy data on paid plans.

Current local time, timezone/DST info, and weather for 400 cities as static JSON, updated every 30 min.

Current conditions and 3-day forecast by city, airport code or coordinates as text, PNG or JSON.

Global current conditions, hourly/10-day forecasts and history via Yandex's Meteum GraphQL API.