Meteorologisk Institutt vs wttr.in

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

Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms
P95 · ms
Authnonenone
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 — limits not published
Rate limitThrottled; identify via User-Agent and respect caching headers (per docs)Unpublished (informal per-IP throttling)
In directory since2026-07-052026-07-05
operationalpartialdownno data

Meteorologisk Institutt vs wttr.in: common questions

Which is more reliable, Meteorologisk Institutt or wttr.in?

On our scheduled checks, wttr.in leads on measured uptime — Meteorologisk Institutt at —% versus wttr.in 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 wttr.in need an API key?

Neither needs a paid key — Meteorologisk Institutt is callable with no signup, and wttr.in is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Meteorologisk Institutt and wttr.in from the browser?

Yes — both Meteorologisk Institutt and wttr.in 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 wttr.in free for commercial use?

Meteorologisk Institutt allows commercial use on its free tier, and wttr.in 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.