Weather Data for Prediction Markets (Kalshi & Polymarket)
Pricing
Pay per usage
Official NWS daily climate settlement values, hourly observations and 6-model forecasts with the spread between models, for the stations Kalshi and Polymarket temperature markets settle on.
NWS station IDs that temperature markets settle on. KNYC = New York (Central Park), KLAX = Los Angeles, KORD = Chicago, KAUS = Austin, KMIA = Miami, KDEN = Denver, KPHL = Philadelphia. Leave empty and set Cities instead for anywhere else in the world.
[ "KNYC"]Any city name, e.g. "London", "Tokyo", "Sao Paulo". Geocoded automatically. Produces forecast rows only - daily climate reports exist for US stations.
The official NWS Daily Climate Report: high, low, time of high/low, normals, records, precipitation, snow, wind. This is the number US temperature markets settle on.
Daily high/low and precipitation from up to 6 global models, plus a consensus row carrying the spread between models.
Hourly/METAR observations for intraday tracking of how close today's high already is. Last 7 days only.
How many days back to pull daily climate reports, counting back from the end date.
How far ahead to forecast, up to 16 days.
Which global models to pull. Fewer models means fewer billed rows.
[ "gfs_seamless", "ecmwf_ifs025", "icon_seamless", "best_match"]