OpenWeather API

OpenWeather API is the comprehensive weather data platform trusted by companies like Uber, Microsoft, and over 2 million developers to integrate real-time weather intelligence into applications worldwide. As one of the most popular weather APIs with over 1 billion API calls daily, it provides accurate weather data for 200,000+ cities globally, enabling everything from ride-sharing surge pricing to agricultural planning systems.

What makes OpenWeather API exceptional is its combination of extensive global coverage, multiple data layers, and developer-friendly implementation that scales from hobby projects to enterprise applications. Unlike complex meteorological services, it provides simple REST APIs with clear documentation while maintaining professional-grade accuracy through aggregation of multiple weather data sources.

Developers choose OpenWeather API because it delivers reliable weather intelligence with generous free tiers and straightforward integration that works across any platform or programming language. From weather apps to logistics systems, it provides the meteorological foundation that data-driven applications demand.

Key Features

• Comprehensive Current Weather Data - Real-time conditions for 200,000+ cities with temperature, humidity, pressure, and wind data • Advanced Weather Forecasting - Hourly forecasts up to 48 hours and daily forecasts up to 16 days ahead • Extensive Historical Weather Archive - Access to 40+ years of historical weather data for analysis and modeling • Interactive Weather Map Layers - Precipitation, temperature, clouds, and pressure maps with 15+ visualization layers • Air Quality Monitoring - Real-time pollution data including CO, NO2, O3, PM2.5, and comprehensive AQI indices • Severe Weather Alert System - Government-issued weather warnings and real-time notifications for dangerous conditions • Agricultural Weather Intelligence - Specialized data for farming including soil temperature, moisture, and UV index • Flexible Data Delivery - Multiple formats including JSON, XML, and CSV with webhook and polling options

Pros and Cons

Pros

• Extensive global coverage with reliable data accuracy • Generous free tier with 1,000 calls per day • Simple REST API with excellent documentation • Multiple data layers from current to historical weather • Strong uptime and performance track record

Cons

• Rate limits on free tier may restrict heavy usage • Some advanced features require paid subscriptions • Data refresh rates vary by subscription level • Limited hyperlocal weather data in rural areas • Historical data access requires separate subscription

Get Started with OpenWeather API

Integrate professional weather intelligence trusted by Uber and Microsoft into your applications. Visit openweathermap.org/api to access real-time weather data for 200,000+ cities with the API handling over 1 billion daily requests.