HEAD-TO-HEAD COMPARISON
Open-Meteo vs OpenWeatherMap: Best Free Weather API Compared
Zero-auth Open-Meteo vs industry-standard OpenWeatherMap for developers building weather dashboards.
Live Head-to-Head Benchmark
Open-Meteo vs OpenWeatherMap 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
OpenWeatherMap
GEThttps://api.openweathermap.org/data/2.5/weather?q=Istanbul&appid=YOUR_API_KEY
Click "Run Side-by-Side Test" above to execute query
Technical Specifications Matrix
| Feature | Open-Meteo | OpenWeatherMap |
|---|---|---|
| Authentication | No Key (Zero-Auth) | Free Key Required |
| Rate Limit (Free Tier) | 10,000 req/day (Non-commercial) | 1000 req/day |
| 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 | OpenWeatherMap Page |
Key Engineering Takeaways & Differences
Open-Meteo requires no API key or account creation; 100% open public models.
OpenWeatherMap is an industry staple with battle-tested global SDKs and icon sets.
Open-Meteo includes 16-day hourly forecasts and historical archives for free.
OpenWeatherMap limits free tier to 1,000 calls per day with account sign-up.
Category Winner Recommendation
Zero FrictionOpen-Meteo
Forecast RangeOpen-Meteo
SDK SupportOpenWeatherMap
Community BreadthOpenWeatherMap