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RainViewer

Global weather-radar tile timestamps and map metadata

🌦 WeatherUNMONITORED
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.

—HOW IT'S SCORED ⓘ
▶ Run liveDocs ↗
Status badge · for your READMEshipapis health badge: — · unmonitored
ON PROBE SCHEDULE

We probe a documented GET and expect 2xx JSON — full uptime and health score. Open provider docs ↗

Uptime historystarts after first probe

On our probe schedule. Uptime charts appear after the first check lands.

Example responsefrom provider docs — not verified by us
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 · 2On scheduleFULL DOCS ↗
On schedule — GET /weather-maps.json awaits first probe
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

Not tracked yet. Shape-change history starts once this API joins our probe schedule.

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 You can call it straight away; rate limits still apply (Unpublished).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?

RainViewer is catalogued but not yet on our probe schedule, so we don't publish a live status for it. Check the provider's own status page or docs for its current state.