Best Weather & Environment APIs in 2025

In the ever-evolving landscape of technology, APIs (Application Programming Interfaces) have become essential tools for developers, enabling seamless integration of various functionalities into applications. One of the most sought-after categories of APIs is related to weather and environmental data. This blog post will explore the top 10 APIs in the Weather & Environment category, providing a detailed overview of each API, its endpoints, and practical use cases. Whether you are building a weather application, integrating climate data into your services, or simply looking to enhance user experience with real-time weather information, this guide will serve as a valuable resource.

1. Current Weather and Forecasted Weather API

The Current Weather and Forecasted Weather API is a powerful tool that allows developers to retrieve current weather data and forecasted information for any location worldwide. This API is particularly useful for applications that require real-time weather updates and forecasts.

Endpoints

Current Weather

This endpoint retrieves current weather information based on the specified location. Users can query by city name, ZIP code, or geographic coordinates (latitude and longitude).

{
  "coord": {
    "lon": -71.0598,
    "lat": 42.3584
  },
  "weather": [
    {
      "id": 803,
      "main": "Clouds",
      "description": "broken clouds",
      "icon": "04d"
    }
  ],
  "main": {
    "temp": 301.78,
    "feels_like": 302.92,
    "pressure": 1013,
    "humidity": 55
  },
  "wind": {
    "speed": 4.12,
    "deg": 240
  },
  "name": "Boston",
  "cod": 200
}

In this response, key fields include:

• coord: Contains the geographic coordinates of the location.
• weather: An array providing weather conditions, including descriptions and icons.
• main: Contains temperature, pressure, and humidity data.
• wind: Provides wind speed and direction.
• name: The name of the city for which the weather data is retrieved.

Forecasted Data - Five Days

This endpoint allows users to retrieve forecasted weather data for the next five days at three-hour intervals.

{
  "cod": "200",
  "message": 0,
  "cnt": 40,
  "list": [
    {
      "dt": 1657314000,
      "main": {
        "temp": 292.44,
        "feels_like": 292.25,
        "pressure": 1018,
        "humidity": 70
      },
      "weather": [
        {
          "id": 801,
          "main": "Clouds",
          "description": "few clouds",
          "icon": "02d"
        }
      ],
      "wind": {
        "speed": 5.99,
        "deg": 264
      },
      "dt_txt": "2022-07-08 21:00:00"
    }
  ]
}

Key fields in this response include:

• list: An array containing forecast data for each three-hour interval.
• main: Similar to the current weather endpoint, it provides temperature, pressure, and humidity.
• weather: Describes the weather conditions for that specific time.
• wind: Provides wind speed and direction for the forecasted time.

2. Weather by Zip API

The Weather by Zip API is designed to provide current weather data for U.S. cities based on their ZIP codes. This API is particularly useful for applications that need to deliver localized weather information quickly.

Endpoints

Get Weather By Zip

This endpoint allows users to retrieve current weather data by simply entering a ZIP code.

{
  "City": "Middletown",
  "State": "DE",
  "TempF": "69.0",
  "Weather": "Overcast",
  "WindMPH": "6.9",
  "RelativeHumidity": "90"
}

Key fields include:

• City: The name of the city corresponding to the ZIP code.
• State: The state abbreviation.
• TempF: Current temperature in Fahrenheit.
• Weather: Describes the current weather conditions.
• WindMPH: Wind speed in miles per hour.
• RelativeHumidity: Current humidity level.

3. Accurate Weather Forecasts by ZIP Code API

The Accurate Weather Forecasts by ZIP Code API provides detailed weather information using data from reliable sources like the National Weather Service. This API is ideal for applications that require accurate weather forecasts based on ZIP codes.

Endpoints

Get Weather By Zip

This endpoint allows users to retrieve detailed meteorological data by entering a ZIP code.

{
  "City": "New York City",
  "State": "NY",
  "TempF": "69.0",
  "Weather": "Fog/Mist",
  "WindMPH": "0.0",
  "RelativeHumidity": "87"
}

Key fields include:

• City: The name of the city.
• State: The state abbreviation.
• TempF: Current temperature in Fahrenheit.
• Weather: Current weather conditions.
• WindMPH: Wind speed in miles per hour.
• RelativeHumidity: Current humidity level.

4. Weather By City Name API

The Weather By City Name API provides real-time weather information for cities worldwide by simply passing the city name. This API is perfect for applications that need to deliver global weather data.

Endpoints

Get Weather By City Name

This endpoint retrieves current weather conditions for a specified city.

{
  "location": {
    "name": "Toronto",
    "region": "Ontario",
    "country": "Canada"
  },
  "current": {
    "temp_c": 21.3,
    "humidity": 83,
    "wind_mph": 4.9,
    "condition": {
      "text": "Sunny"
    }
  }
}

Key fields include:

• location: Contains details about the city, region, and country.
• current: Provides current weather conditions, including temperature, humidity, and wind speed.
• condition: Describes the current weather conditions.

5. Weather Forecast API

The Weather Forecast API offers a wide range of weather data, including current conditions, hourly and daily forecasts, and historical weather data. This API is ideal for developers looking to integrate comprehensive weather information into their applications.

Endpoints

Get Weather by City

This endpoint retrieves current weather conditions based on the city name.

{
  "coord": {
    "lon": -89.1028,
    "lat": 30.438
  },
  "weather": [
    {
      "id": 800,
      "main": "Clear",
      "description": "clear sky"
    }
  ],
  "main": {
    "temp": 53.69,
    "feels_like": 50.31,
    "pressure": 1011,
    "humidity": 33
  }
}

Key fields include:

• coord: Geographic coordinates of the location.
• weather: Array providing weather conditions.
• main: Contains temperature, pressure, and humidity data.

Get Weather by Longitude and Latitude

This endpoint retrieves current weather conditions based on geographic coordinates.

{
  "coord": {
    "lon": -89.102,
    "lat": 30.43
  },
  "weather": [
    {
      "id": 800,
      "main": "Clear",
      "description": "clear sky"
    }
  ],
  "main": {
    "temp": 307.89,
    "feels_like": 313.21,
    "pressure": 1016,
    "humidity": 50
  }
}

Key fields are similar to the previous endpoint, providing essential weather data based on coordinates.

Get Weather Forecast

This endpoint retrieves a 5-day weather forecast based on geographic coordinates.

{
  "cod": "200",
  "message": 0,
  "cnt": 40,
  "list": [
    {
      "dt": 1737450000,
      "main": {
        "temp": 273.77,
        "feels_like": 268.44,
        "pressure": 1032,
        "humidity": 34
      },
      "weather": [
        {
          "id": 804,
          "main": "Clouds",
          "description": "overcast clouds"
        }
      ]
    }
  ]
}

Key fields include:

• list: An array containing forecast data for each day.
• main: Provides temperature, pressure, and humidity for the forecasted time.
• weather: Describes the weather conditions for that specific time.

6. Weather by City API

The Weather by City API allows users to access real-time and forecast weather information for any city. This API is invaluable for applications that require localized weather data.

Endpoints

Get Weather

This endpoint retrieves weather data by entering the name of a city.

{
  "success": true,
  "data": {
    "city": "Bandra Kurla Complex, Maharashtra",
    "current_weather": "Haze",
    "temp": "31",
    "expected_temp": "Day 34° • Night 30°"
  }
}

Key fields include:

• success: Indicates whether the request was successful.
• data: Contains detailed weather information for the specified city.
• current_weather: Describes the current weather conditions.
• temp: Current temperature.
• expected_temp: Expected temperature for the day and night.

7. Location Based Weather API

The Location Based Weather API provides weather data and forecasts based on geographic coordinates. This API is essential for applications that require precise weather information tailored to specific locations.

Endpoints

Weather by City

This endpoint retrieves weather data by specifying a city name.

{
  "base": "stations",
  "clouds": {
    "all": 0
  },
  "main": {
    "temp": 293.13,
    "pressure": 1007,
    "humidity": 76
  },
  "name": "Berlin"
}

Key fields include:

• base: Indicates the source of the weather data.
• clouds: Provides cloud coverage information.
• main: Contains temperature, pressure, and humidity data.
• name: The name of the city for which the weather data is retrieved.

8. Yahoo Weather Information API

The Yahoo Weather Information API delivers accurate weather data, including current conditions and forecasts. This API is ideal for developers looking to integrate reliable weather information into their applications.

Endpoints

Weather by City

This endpoint retrieves weather data by specifying a city name and optional temperature unit.

{
  "location": {
    "city": "Sunnyvale",
    "country": "United States"
  },
  "current_observation": {
    "temperature": 65,
    "condition": {
      "text": "Cloudy"
    }
  }
}

Key fields include:

• location: Contains details about the city and country.
• current_observation: Provides current weather conditions, including temperature and weather description.

9. Forecasts Weather by Latitude Longitude API

The Forecasts Weather by Latitude Longitude API delivers precise, location-specific weather forecasts based on geographic coordinates. This API is invaluable for applications that require accurate weather information tailored to specific locations.

Endpoints

Forecast

This endpoint retrieves weather forecasts by specifying latitude and longitude.

{
  "lat": 37.0902,
  "lon": 95.7129,
  "current": {
    "temp": 9.4,
    "humidity": 29
  }
}

Key fields include:

• lat: Latitude of the specified location.
• lon: Longitude of the specified location.
• current: Provides current weather conditions, including temperature and humidity.

10. Wind API

The Wind API is designed for precise weather tracking and forecasting, focusing on real-time wind conditions based on geographic coordinates. This API is essential for applications that require accurate wind data.

Endpoints

Winds by Location

This endpoint retrieves wind data by specifying a city name.

{
  "request": {
    "type": "City",
    "query": "London, United Kingdom"
  },
  "current": {
    "wind_speed": 10,
    "wind_degree": 178
  }
}

Key fields include:

• request: Contains details about the city and query type.
• current: Provides current wind speed and direction.

Winds by Coordinates

This endpoint retrieves wind data by specifying latitude and longitude.

{
  "success": true,
  "current": {
    "wind_speed": 12,
    "wind_degree": 155
  }
}

Key fields include:

• success: Indicates whether the request was successful.
• current: Provides current wind speed and direction.

Conclusion

In conclusion, the APIs discussed in this blog post represent some of the best options available for developers seeking to integrate weather and environmental data into their applications. From real-time weather updates to detailed forecasts and wind conditions, these APIs offer a wealth of information that can enhance user experience and improve decision-making processes. By leveraging these APIs, developers can create powerful applications that provide users with accurate and timely weather information, ultimately leading to better planning and preparedness for various activities and events.