US Weather vs Weatherstack
Same instrument, two spec sheets — measured, not claimed.
US Weather vs Weatherstack: common questions
Which is more reliable, US Weather or Weatherstack?
On our scheduled checks, Weatherstack leads on measured uptime — US Weather at —% versus Weatherstack 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 Weatherstack need an API key?
US Weather needs no key, while Weatherstack requires a free API key. If you want to start calling without signup, reach for US Weather first.
Can I call US Weather and Weatherstack from the browser?
Only US Weather is browser-friendly — it returns CORS headers over HTTPS. Weatherstack needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are US Weather and Weatherstack free for commercial use?
US Weather allows commercial use on its free tier, and Weatherstack 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.