MET Norway Locationforecast
Free weather forecast API from the Norwegian Meteorological Institute covering global locations. No key required.
🟢 Online · 1264 ms
72.4%
Unlimited, no key, must set User-Agent header
No key required
Free alternatives (live ranking)
- NOAA National Weather Service — 🟢 Online · Unlimited (US only), no key, no credit card
- 7Timer! — 🟢 Online · Unlimited, no key, no credit card
- Open-Meteo Air Quality — 🟢 Online · 10,000 calls/day, no key, no credit card
Compare MET Norway Locationforecast with…
- MET Norway Locationforecast vs NOAA National Weather Service — Unlimited (US only), no key, no credit card
- MET Norway Locationforecast vs 7Timer! — Unlimited, no key, no credit card
- MET Norway Locationforecast vs Open-Meteo Air Quality — 10,000 calls/day, no key, no credit card
Paid alternatives
- Tomorrow.io — from $19/mo
Frequently Asked Questions
Does MET Norway Locationforecast require an API key?
No, MET Norway Locationforecast is freely accessible without registration or an API key.
What is MET Norway Locationforecast's free tier?
Unlimited, no key, must set User-Agent header
Is MET Norway Locationforecast currently online?
We check MET Norway Locationforecast every hour. The current status is shown at the top of this page. You can also see the 30-day uptime history in the chart above.
Implementation notes
When to use MET Norway Locationforecast
MET Norway (Locationforecast 2.0) is the cleanest no-key global weather API after Open-Meteo. It is produced by the Norwegian Meteorological Institute and uses the ECMWF model as its backbone, returning forecasts at sub-hourly resolution for the first 48 hours.
Common pitfalls
- A valid `User-Agent` header is mandatory. Requests without it return a 403 Forbidden. The header should identify your application and include a contact URL or email — for example: `User-Agent: my-weather-app/1.0 ([email protected])`. Using a generic browser user agent is explicitly against the terms of service.
- The response includes an `Expires` header telling you exactly when the next forecast update will be available. Ignoring this header and polling more frequently than once per 30 minutes is flagged as abusive and may result in IP blocks.
- MET Norway's JSON structure nests forecasts inside `properties.timeseries[].data.instant.details` and `properties.timeseries[].data.next_1_hours.summary`. The nesting is deeper than most weather APIs — budget time for parsing.
- Global coverage degrades at very high latitudes. Forecast accuracy drops noticeably above 80°N, which is expected given the ECMWF grid resolution, but rarely documented.
Quick start (bash)
curl -H "User-Agent: my-app/1.0 ([email protected])" "https://api.met.no/weatherapi/locationforecast/2.0/compact?lat=59.91&lon=10.75"From our monitoring
In our hourly monitoring, MET Norway reliably responds in under 400ms. It has maintained 99%+ uptime over the periods we have tracked — consistent with it being government-funded infrastructure rather than a commercial product with cost pressure.
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