Compare Weather APIs
Deep dive into the technical specifications of 31 Weather APIs. Use this side-by-side comparison to evaluate which service best fits your architectural requirements.
| API Identity | Score | Authentication | HTTPS | CORS | Speed | Difficulty | Brief |
|---|---|---|---|---|---|---|---|
| Weatherstack | 72 B Est. | API Key | ? | - | Intermediate | Weatherstack is a real-time and historical weather data API that covers over 200,000 locations world... | |
| 7Timer! | 67 C Measured | No Auth | ? | 947ms | Beginner | 7Timer! is a free weather forecast API originally built for astronomers who need clear-sky predictio... | |
| AccuWeather | 72 B Est. | API Key | ? | - | Intermediate | AccuWeather's API provides highly detailed weather forecasts, current conditions, and severe weather... | |
| Aemet | 72 B Est. | API Key | ? | - | Intermediate | Aemet OpenData is Spain's official meteorological agency API providing weather forecasts, observatio... | |
| APIXU | 72 B Est. | API Key | ? | - | Intermediate | APIXU (now rebranded as Weatherstack) is a weather data API that provides current conditions, foreca... | |
| AQICN | 82 A Est. | API Key | ? | - | Intermediate | AQICN (Air Quality Index CN) provides real-time air quality data for over 1,000 cities worldwide, in... | |
| AviationWeather | 87 A Measured | No Auth | ? | 355ms | Beginner | AviationWeather.gov is a free NOAA service that provides official aviation weather data including ME... | |
| ColorfulClouds | 82 A Est. | API Key | Yes | - | Intermediate | ColorfulClouds (Caiyun Weather) is a Chinese weather API that delivers real-time and forecast weathe... | |
| Euskalmet | 69 C Est. | API Key | ? | - | Intermediate | Euskalmet is the official meteorological API for the Basque Country in Spain, providing weather obse... | |
| Foreca | 63 C Est. | OAuth | ? | - | Advanced | Foreca is a professional weather data API used by businesses worldwide, offering global forecasts, c... | |
| HG Weather | 74 B Est. | API Key | Yes | - | Intermediate | HG Weather is a Brazilian weather API that returns current conditions and multi-day forecasts for ci... | |
| Hong Kong Obervatory | 85 A Measured | No Auth | ? | 1833ms | Beginner | The Hong Kong Observatory Open Data API provides free access to weather observations, forecasts, ear... | |
| MetaWeather | 0 F Est. | No Auth | No | 337ms | Beginner | MetaWeather provides programmatic access to weather via REST API. This Weather API enables developer... | |
| Meteorologisk Institutt | 63 C Est. | User-Agent | ? | - | Advanced | Meteorologisk Institutt (MET Norway) provides free, high-quality weather and climate data via their ... | |
| Micro Weather | 0 F Est. | API Key | ? | - | Intermediate | Micro Weather provides programmatic access to real time weather forecasts and historic data via REST... | |
| ODWeather | 62 C Est. | No Auth | ? | 366ms | Beginner | ODWeather is a free weather and webcam API from OceanDrivers that provides real-time marine and coas... | |
| Oikolab | 82 A Est. | API Key | Yes | - | Intermediate | Oikolab provides over 70 years of global hourly historical and forecast weather data sourced from NO... | |
| Open-Meteo | 77 B Measured | No Auth | Yes | 1104ms | Beginner | Open-Meteo is a completely free and open-source weather API for non-commercial use that provides hou... | |
| openSenseMap | 74 B Est. | No Auth | Yes | 3092ms | Beginner | openSenseMap is an open-source platform that aggregates real-time sensor data from community-operate... | |
| OpenUV | 77 B Est. | API Key | ? | - | Intermediate | OpenUV provides real-time UV Index forecasts for any location on Earth, helping you understand sun e... | |
| OpenWeatherMap | 72 B Est. | API Key | ? | - | Beginner | OpenWeatherMap is one of the most popular weather APIs, providing current conditions, forecasts, and... | |
| QWeather | 87 A Est. | API Key | Yes | - | Intermediate | QWeather delivers accurate location-based weather data including real-time conditions, hourly and da... | |
| RainViewer | 82 A Est. | No Auth | ? | 310ms | Beginner | RainViewer provides radar imagery and rain map tile data collected from weather radar stations aroun... | |
| Storm Glass | 77 B Est. | API Key | Yes | - | Intermediate | Storm Glass provides detailed marine and weather forecasts combining data from multiple global meteo... | |
| Tomorrow | 87 A Est. | API Key | ? | - | Intermediate | Tomorrow.io (formerly ClimaCell) is an advanced weather API powered by proprietary sensing technolog... | |
| US Weather | 100 A+ Measured | No Auth | Yes | 157ms | Beginner | The US Weather API is the official National Weather Service (NWS) REST API provided by the US govern... | |
| Visual Crossing | 82 A Est. | API Key | Yes | - | Beginner | Visual Crossing offers comprehensive historical weather data, current conditions, and forecasts for ... | |
| weather-api | 84 A Est. | No Auth | No | 44ms | Beginner | weather-api is a lightweight, open-source RESTful API that provides current weather data for cities ... | |
| WeatherAPI | 77 B Est. | API Key | Yes | - | Beginner | WeatherAPI is a feature-rich weather platform that delivers real-time weather, 14-day forecasts, his... | |
| Weatherbit | 72 B Est. | API Key | ? | - | Intermediate | Weatherbit is a professional-grade weather API offering current observations, hourly and daily forec... | |
| Yandex.Weather | 79 B Est. | API Key | No | - | Intermediate | Yandex.Weather API provides detailed weather condition assessments for specific geographic locations... |