Meteorologisk Institutt vs RainViewer
Same instrument, two spec sheets — measured, not claimed.
Meteorologisk Institutt vs RainViewer: common questions
Which is more reliable, Meteorologisk Institutt or RainViewer?
Both are neck-and-neck — Meteorologisk Institutt and RainViewer each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.
Which is faster, Meteorologisk Institutt or RainViewer?
RainViewer has the lower median latency in our checks — Meteorologisk Institutt responds in 621 ms versus RainViewer at 551 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.
Do Meteorologisk Institutt and RainViewer need an API key?
Neither needs a paid key — Meteorologisk Institutt is callable with no signup, and RainViewer is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Meteorologisk Institutt and RainViewer from the browser?
Yes — both Meteorologisk Institutt and RainViewer 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 RainViewer free for commercial use?
Meteorologisk Institutt allows commercial use on its free tier, and RainViewer 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.