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Meteorologisk Institutt vs Weather Underground API

Same instrument, two spec sheets — measured, not claimed.

APIMeteorologisk InstituttNEW—Weather Underground APIREACHABLE—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useyesunclear
Data licenseCC BY 4.0 / NLOD (Norwegian Licence for Open Government Data)Unverified
Free tierFree, no key; requires identifying User-AgentFree tier — API key may be required for production
Rate limitThrottled; identify via User-Agent and respect caching headers (per docs)Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Meteorologisk Institutt vs Weather Underground API: common questions

Which is more reliable, Meteorologisk Institutt or Weather Underground API?

On our scheduled checks, Weather Underground API leads on measured uptime — Meteorologisk Institutt at —% versus Weather Underground API at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do Meteorologisk Institutt and Weather Underground API need an API key?

Meteorologisk Institutt needs no key, while Weather Underground API requires a free API key. If you want to start calling without signup, reach for Meteorologisk Institutt first.

Can I call Meteorologisk Institutt and Weather Underground API from the browser?

Yes — both Meteorologisk Institutt and Weather Underground API send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are Meteorologisk Institutt and Weather Underground API free for commercial use?

Meteorologisk Institutt allows commercial use on its free tier, and Weather Underground API has unclear commercial terms. We track service terms and the data license as separate fields — see the Commercial use and Data license rows above, and confirm both before shipping either in a paid product.