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Automatic Weather Stations vs Weatherstack

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

APIAutomatic Weather StationsNEW—WeatherstackNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Automatic Weather Stations vs Weatherstack: common questions

Which is more reliable, Automatic Weather Stations or Weatherstack?

On our scheduled checks, Weatherstack leads on measured uptime — Automatic Weather Stations 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 Automatic Weather Stations and Weatherstack need an API key?

Automatic Weather Stations needs no key, while Weatherstack requires a free API key. If you want to start calling without signup, reach for Automatic Weather Stations first.

Can I call Automatic Weather Stations and Weatherstack from the browser?

Only Automatic Weather Stations 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 Automatic Weather Stations and Weatherstack free for commercial use?

Automatic Weather Stations has unclear commercial terms, 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.