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Open-Meteo Forecast API

Hourly and daily weather forecast for any coordinate, from national weather services.
Status
Working
API key
Not needed
Browser calls
Runs in the browser
Latency
859 ms
Docs
open-meteo.com ↗

Build snapshot, not live. One verifier run on , from the machine that built this site. How we check

Example request

GEThttps://api.open-meteo.com/v1/forecast?latitude=52.52&longitude=13.41&current_weather=true

Sent from your browser straight to api.open-meteo.com. No proxy: this site never sees the request or the answer.

Copy the request

Shell
curl -s 'https://api.open-meteo.com/v1/forecast?latitude=52.52&longitude=13.41&current_weather=true'

Response stored by the verifier

This is what api.open-meteo.com answered when the verifier sent the request above on : HTTP 200, application/json. Arrays are cut to two items and long strings are shortened. It comes from the build snapshot.

application/json · stored
{
  "latitude": 52.52,
  "longitude": 13.419998,
  "generationtime_ms": 0.10478496551513672,
  "utc_offset_seconds": 0,
  "timezone": "GMT",
  "timezone_abbreviation": "GMT",
  "elevation": 38,
  "current_weather_units": {
    "time": "iso8601",
    "interval": "seconds",
    "temperature": "°C",
    "windspeed": "km/h",
    "winddirection": "°",
    "is_day": "",
    "weathercode": "wmo code"
  },
  "current_weather": {
    "time": "2026-10-03T09:00",
    "interval": 900,
    "temperature": 15.6,
    "windspeed": 4.5,
    "winddirection": 119,
    "is_day": 1,
    "weathercode": 2
  }
}

Availability

Up 1 of 1 day checked · 30-day window

What counts as up for this API: an answer within five seconds, a 2xx status, and the JSON body must contain the field "current_weather".

Last check: — passed, HTTP 200 in 859 ms.

The check runs from our infrastructure, not from where you are. If you need certainty, send the request yourself above. How the verifier works.

Used in these collections

Questions

Does the Open-Meteo Forecast API need an API key?

No. The sample request on this page was answered without a key, token or account. Note: Free for non-commercial use; commercial use needs a paid plan.

Can I call the Open-Meteo Forecast API from the browser?

Yes. api.open-meteo.com answered our verifier with an Access-Control-Allow-Origin header on Oct 3, 2026, so a fetch call from a web page can read the response.

Is the Open-Meteo Forecast API working?

At the check on Oct 3, 2026 it returned HTTP 200 with the expected data in 859 ms. The status at the top of this page shows the most recent result we have.

What is the Open-Meteo Forecast API good for?

Hourly and daily weather forecast for any coordinate, from national weather services. It is part of our collection "Free APIs for a weather app": The forecast itself: current conditions, hourly and daily values.