Open-Meteo vs WeatherAPI: Developer Weather APIs Comparison
Comparison between unlimited open-source Open-Meteo and 1M/mo quota-rich WeatherAPI.
Open-Meteo vs WeatherAPI Speed & Payload Test
Execute both live public endpoints concurrently from your browser to compare latency, payload schema, and uptime readiness.
Open-MeteoZero-Auth
GEThttps://api.open-meteo.com/v1/forecast?latitude=41.01&longitude=28.97¤t_weather=true
Click "Run Side-by-Side Test" above to execute query
WeatherAPI
GEThttps://api.weatherapi.com/v1/current.json?key=YOUR_API_KEY&q=Istanbul
Click "Run Side-by-Side Test" above to execute query
Technical Specifications Matrix
| Feature | Open-Meteo | WeatherAPI |
|---|---|---|
| Authentication | No Key (Zero-Auth) | Free Key Required |
| Rate Limit (Free Tier) | 10,000 req/day (Non-commercial) | 1M req/month |
| CORS & Security | HTTPS • CORS Ready | HTTPS • CORS Ready |
| Category | Hava Durumu ve İklim | Hava Durumu ve İklim |
| Official Website | Visit Docs | Visit Docs |
| FreeAPI Service Page | Open-Meteo Page | WeatherAPI Page |
Key Engineering Takeaways & Differences
WeatherAPI offers 1,000,000 free calls per month with a free API key.
Open-Meteo operates keyless with unlimited personal and open use.
WeatherAPI bundles sports, astronomy, and marine forecasts.
Open-Meteo exposes raw high-resolution meteorological models (ECMWF, GFS).
Category Winner Recommendation
Free VolumeWeatherAPI (1M/mo)
Zero FrictionOpen-Meteo
Model TransparencyOpen-Meteo
Feature SetWeatherAPI