Free Weather API

Open-Meteo is an open-source weather API with free access for non-commercial use. No API key is required. You can use it immediately!

Hourly 7-day forecast worldwide

Open-Meteo collaborates with national weather services providing open data with 1 to 11 km resolution. Our APIs select the best weather models for your location and provide data as a simple JSON API.

Super easy. Enter a location, select weather variables and get a 7-day weather forecast. 60 years historical weather data, dozens of weather variables, and multiple weather models buit-in.

APIs are free without any API key for non-commercial use. You can embed them directly into your app, python or react project.

$ curl "https://api.open-meteo.com/v1/forecast
?latitude=52.52&longitude=13.41
&current_weather=true
&hourly=temperature_2m, relativehumidity_2m, windspeed_10m
"

{
  "current_weather": {
    "time": "2022-01-01T15:00"
    "temperature": 2.4, "weathercode": 3,
    "windspeed": 11.9, "winddirection": 95.0,
  },
  "hourly": {
    "time": ["2022-07-01T00:00","2022-07-01T01:00", ...]
    "windspeed_10m": [3.16,3.02,3.3,3.14,3.2,2.95, ...],
    "temperature_2m": [13.7,13.3,12.8,12.3,11.8, ...],
    "relativehumidity_2m": [82,83,86,85,88,88,84,76, ...],
  }
}

$ curl "https://api.open-meteo.com/v1/forecast
?latitude=52.52&longitude=13.41
&past_days=10
&hourly=temperature_2m, relativehumidity_2m, windspeed_10m
"

{
  "hourly": {
    "time": ["2022-06-19T00:00","2022-06-19T01:00", ...]
    "windspeed_10m": [3.16,3.02,3.3,3.14,3.2,2.95, ...],
    "temperature_2m": [13.7,13.3,12.8,12.3,11.8, ...],
    "relativehumidity_2m": [82,83,86,85,88,88,84,76, ...],
  }
}

$ curl "https://archive-api.open-meteo.com/v1/era5
?latitude=52.52&longitude=13.41
&start_date=2021-01-01&end_date=2021-12-31
&hourly=temperature_2m
"

{
  "hourly": {
    "time": ["2022-01-01T00:00","2022-01-01T01:00", ...]
    "temperature_2m": [1.7,1.3,1.8,1.3,1.8, ...],
  }
}

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