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RainViewer

Global weather-radar tile timestamps and map metadata

🌦 WeatherHEALTHYchecked 11h ago
AUTH NONECORS ✓AGENT ✓HTTPS ✓COMMERCIAL ?

RainViewer's public API returns the latest global radar and satellite map frames as a JSON index of timestamps and tile paths. One keyless GET gives you everything needed to animate a precipitation radar layer. Attribution to RainViewer is requested.

93HOW IT'S SCORED ⓘ
▶ Run liveDocs ↗
Status badge · for your READMEshipapis health badge: 93 · healthy
Uptime history
100%90 days
100%30 days
551P50 · ms
1757P95 · ms
operationalpartialdownno data
Response time · last 48 checks
Fastest 53 ms, slowest 1215 ms, most recent 127 ms.
Live response samplecaptured by our last successful check
GET https://api.rainviewer.com/public/weather-maps.json

{
  "version": "2.0",
  "generated": 1783246831,
  "host": "https://tilecache.rainviewer.com",
  "radar": {
    "past": [
      {
        "time": 1783239600,
        "path": "/v2/radar/fdcd7671376b"
      }
    ],
    "nowcast": []
  }
}
Call itcurl · fetch · python
curl "https://api.rainviewer.com/public/weather-maps.json"
const res = await fetch("https://api.rainviewer.com/public/weather-maps.json");
const data = await res.json();
console.log(data);
import requests

res = requests.get("https://api.rainviewer.com/public/weather-maps.json")
print(res.json())
Endpoints · 2HealthyFULL DOCS ↗
Monitored path responding — GET /weather-maps.json551 mschecked 11h ago
GET/weather-maps.jsonPROBED

Global weather-radar tile timestamps and map metadata

GET/weather-maps.json?limit=5

Paginated variant with limit parameter.

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.

RainViewer: common questions

Is RainViewer free to use?

Yes — RainViewer 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 RainViewer need an API key?

No — RainViewer needs no API key or signup. You can call it straight away; rate limits still apply (Unpublished).

Can I call RainViewer from the browser?

Yes — RainViewer 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 RainViewer up right now?

As of our last scheduled check, RainViewer is healthy with 100% uptime over 90 days and a 551 ms median response. We re-probe it every sweep — the status badge and uptime chart above always show the latest.