weather:<icao>

The weather:<icao> channel broadcasts temperature readings for a weather station, keyed by its ICAO airport/station code (for example egll for London Heathrow). It backs temperature-based weather markets.

Subscribe

{ "event": "subscribe", "data": { "channel": "weather:<icao>" } }

Replace <icao> with the lowercase ICAO station code (e.g. egll).

Unsubscribe

{ "event": "unsubscribe", "data": { "channel": "weather:<icao>" } }

Server Broadcast

{
  "channel": "weather:egll",
  "data": {
    "icao": "egll",
    "temperatureC": 14.2,
    "temperatureF": 57.6,
    "observedAt": 1716923400000
  }
}

Payload Schema

Notes

• Public channel — no authentication required.
• Emitted as new station readings are ingested for weather markets.