OpenWeatherMap

Weather & Environment

OpenWeatherMap is one of the world's most widely used weather APIs, offering current weather conditions, hour-by-hour and day-by-day forecasts, historical weather data, air quality indices, UV indices, and weather alerts for over 200,000 cities and any geographic coordinate worldwide. With a generous free tier and a well-documented REST API returning JSON or XML, OpenWeatherMap has become the default starting point for millions of developers building weather features into their applications — from simple current-condition widgets to complex agricultural decision support systems. Nigerian developers have relied on OpenWeatherMap for years to power weather features across diverse use cases including farming apps, logistics platforms, and event management tools.

freemium

API Key

1,000 calls/day (free)

✗ Not Available

Best For

Agriculture apps, logistics, event management, travel, energy, and any app needing reliable weather data for Nigeria

Pricing

Weather API covering current, forecast, and historical data. Free tier: 1,000 requests/day, data updates every 10 minutes. Major Nigerian cities (Lagos, Abuja, Kano, Port Harcourt, Ibadan) well-covered. API key is instant — register at openweathermap.org. Includes current conditions, 5-day forecast, UV index, air pollution data. Paid tiers: Upgrade to higher rate limits ($25-500+/month). Good balance of free tier and affordable paid options for weather-dependent applications.

Key Highlights

  • Current weather plus 5-day, 16-day, and minute-by-minute precipitation forecasts all available through a single API account
  • 1,000 free API calls per day on the free tier — sufficient for most development and small production weather-aware applications
  • Air quality API returns PM2.5, PM10, CO, NO2, SO2, and O3 levels with a combined AQI score for any coordinates
  • Weather alerts endpoint delivers severe weather warnings for Nigerian locations when storms, flooding risks, or extreme heat are forecast
  • All major Nigerian cities (Lagos, Abuja, Kano, Port Harcourt, Ibadan) are well-covered with accurate local weather station data

Required Access Documents

  • Email RegistrationRequired
    Sign up for a free account to receive your API key instantly. No credit card required for free plan.

Use Cases

  • Agriculture Planning:Help Nigerian farmers plan planting and harvesting by integrating OpenWeatherMap API forecasts into agri-tech applications.
  • Logistics & Delivery:Adjust delivery schedules and driver routing based on real-time weather data from the OpenWeatherMap API.
  • Event Planning:Warn event organizers of rain or extreme heat ahead of outdoor events using the OpenWeatherMap API forecasts.
  • Energy Management:Forecast solar and wind energy generation by integrating OpenWeatherMap API data into energy management systems.
  • Travel & Tourism Apps:Display weather forecasts for Nigerian tourist destinations to help travellers plan appropriate activities.

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