US Weather vs Open-Meteo
Same instrument, two spec sheets — measured, not claimed.
US Weather vs Open-Meteo: common questions
Which is more reliable, US Weather or Open-Meteo?
On our scheduled checks, Open-Meteo leads on measured uptime — US Weather at —% versus Open-Meteo 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 US Weather and Open-Meteo need an API key?
Neither needs a paid key — US Weather is callable with no signup, and Open-Meteo is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call US Weather and Open-Meteo from the browser?
Yes — both US Weather and Open-Meteo 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 US Weather and Open-Meteo free for commercial use?
US Weather allows commercial use on its free tier, and Open-Meteo is personal/non-commercial only. 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.