About Weather API
WeatherAPI.com is a REST-based weather data service offering current conditions, forecasts up to 14 days, historical data back to 2010 (on higher tiers), marine weather, air quality, and astronomy data. It serves developers, startups, and enterprises needing weather data embedded in apps or operations. The API returns clean JSON with a single API key across all plans. Free tier provides 100,000 calls/month covering real-time and 3-day forecasts.
AI Agent Use Cases
- Real-time weather, hourly and daily forecasts up to 14 days
- Historical data back to January 2010 (Business and Enterprise tiers)
- Air quality index, astronomy data (sunrise/sunset, moon phase), and weather alerts
- Marine weather with tide data (Pro+ and above)
- IP geolocation lookup for automatic location detection
- Bulk request support and 99.9% uptime SLA on Business tier and above