Open-Meteo

Weather Data & APIs

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This open-source weather API delivers global forecasts and current conditions with high spatial resolution (roughly 1 to 11 kilometers) and hourly data, plus a long historical archive, all accessible via a simple HTTP JSON interface without any API key or registration. It is intended for developers, researchers, students, and hobbyists who need free, shareable weather data for apps, prototypes, or machine learning, offering features such as hourly updates, coverage across global 11 km and mesoscale 1 km models, 80 years of hourly history, extensive documentation, and permissive licenses for code (AGPLv3) and data (CC BY 4.0) that enable self-hosted deployments and broad reuse.

Open-Meteo can be found in Weather Data & APIs categories.

The most similar products to Open-Meteo are:

ProxyCove Promoted → OpenWeather → AVWX → Meteomatics → Global Weather API →

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Open-Meteo Main Features

• Free API
  The API is free for non-commercial use, and you don't need to register or provide payment information to access it.
• Easy to Use
  The APIs are designed to be user-friendly, using simple HTTP requests and JSON format, making it easy to integrate into your projects.
• Open-Source
  The code for Open-Meteo is open-source, meaning anyone can view, use, and modify it, promoting collaboration and innovation.
• Rapid Updates
  Weather information is updated every hour, so you always have the latest data about changing conditions.
• High Resolution
  The API offers detailed weather forecasts with high resolution, allowing you to get precise weather data for your area.
• Stay Up to Date
  You can subscribe to updates from Open-Meteo to learn about new features and improvements as they happen.
• Free Weather API
  Open-Meteo is a free weather API that you can use without needing an API key for non-commercial purposes.
• 80 Years Historical Data
  You can access over 80 years of historical weather data, which helps you understand past climate patterns.
• Accurate Weather Forecasts
  Open-Meteo provides accurate weather forecasts by using data from national weather services, ensuring reliable information for any location.

Open-Meteo Benefits

• Free API
  You can use the weather data for free without needing to sign up or get an API key, making it easy for anyone to access.
• Easy to Use
  The APIs are simple to work with, so even beginners can easily get weather data for their projects.
• Open-Source
  Being open-source means you can see and change the code, which encourages creativity and collaboration among users.
• Rapid Updates
  The weather information is updated every hour, so you always get the latest conditions and can make quick decisions.
• High Resolution
  With detailed weather models, Open-Meteo provides forecasts that are very accurate, no matter where you are in the world.
• 80 Years Historical Data
  You can access a lot of past weather data, which helps you understand climate trends and can be useful for research.
• Accurate Weather Forecasts
  Open-Meteo gives you precise weather predictions by using trusted national weather services, so you can plan your day better.

Who should use Open-Meteo?

• Students
  Students can learn about weather data and how to use APIs for their projects easily.
• Hobbyists
  Hobbyists can check the weather for their personal projects or activities without any cost.
• Businesses
  Businesses can use the API to get reliable weather forecasts to help with planning and decision-making.
• Developers
  Developers can use the Open-Meteo API to add accurate weather data to their apps without needing an API key.
• Researchers
  Researchers can access 80 years of historical weather data to study climate patterns and trends.
• Machine Learning Engineers
  Machine learning engineers can use the historical data to train models and gain insights from past weather patterns.

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Technologies Used

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