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wttr.in

Weather as JSON (or ASCII art) for any place on Earth

🌦 WeatherHEALTHYchecked 55 min ago
AUTH NONECORS ✓AGENT ✓HTTPS ✓COMMERCIAL ?

The console-friendly weather service, best known for its ASCII terminal output, also speaks JSON via the format=j1 query. One GET returns current conditions plus a multi-day forecast for a named location. No key needed and CORS is wide open.

84HOW IT'S SCORED ⓘ
▶ Run liveDocs ↗
Status badge · for your READMEshipapis health badge: 84 · healthy
Uptime history
95.1%90 days
98.3%30 days
700P50 · ms
4900P95 · ms
operationalpartialdownno data
Response time · last 48 checks
Fastest 63 ms, slowest 3257 ms, most recent 105 ms.
Live response samplecaptured by our last successful check
GET https://wttr.in/London?format=j1

{
  "current_condition": [
    {
      "temp_C": "21",
      "temp_F": "70",
      "humidity": "69",
      "weatherDesc": [
        {
          "value": "Partly cloudy"
        }
      ],
      "windspeedKmph": "15",
      "winddir16Point": "WNW"
    }
  ]
}
Call itcurl · fetch · python
curl "https://wttr.in/London?format=j1"
const res = await fetch("https://wttr.in/London?format=j1");
const data = await res.json();
console.log(data);
import requests

res = requests.get("https://wttr.in/London?format=j1")
print(res.json())
Endpoints · 3HealthyFULL DOCS ↗
Monitored path responding — GET /London?format=j1700 mschecked 55 min ago
GET/London?format=j1PROBED

Weather as JSON (or ASCII art) for any place on Earth

GET/London?limit=5

London — documented GET route.

GET/London?page=1

London — documented GET route.

Machine-readable spec

We probe a documented GET and expect 2xx JSON — full uptime and health score. Export includes every documented route below.

Response-shape history

Stable. No schema drift observed since monitoring began — the response shape has not changed under our checks.

wttr.in: common questions

Is wttr.in free to use?

Yes — wttr.in is a free weather API. Free tier: Free — limits not published. Whether the free tier allows commercial use is unclear — check the provider docs.

Does wttr.in need an API key?

No — wttr.in needs no API key or signup. You can call it straight away; rate limits still apply (Unpublished (informal per-IP throttling)).

Can I call wttr.in from the browser?

Yes — wttr.in returns CORS headers over HTTPS, so front-end code can fetch it directly with no backend proxy. Use the fetch snippet on this page, or hit "Run live" to try it now.

Is wttr.in up right now?

As of our last scheduled check, wttr.in is healthy with 95.1% uptime over 90 days and a 700 ms median response. We re-probe it every sweep — the status badge and uptime chart above always show the latest.