Settlement stations / KSFO

US · America/Los_Angeles

Kalshi and Polymarket San Francisco temperature: settle on KSFO

KSFO is San Francisco International, San Francisco. Kalshi and Polymarket settle temperature contracts here. Below: the resolution source each venue names, when the station reports, and how long a reading takes to reach the public feed.

How it settles

VenueResolution sourceUnitBucketContracts
KalshiNWS Climatological Report (CLI), relayed by The Weather Company
Source code CLISFO. The daily climatological report is compiled from the full one-minute record, so it can print a high that the hourly reports never showed.		Fahrenheit2°Fhigh · low
KXHIGHTSFO, KXLOWTSFO
PolymarketNOAA station observations published by weather.gov
Source code KSFO. The observation table is the same hourly report stream shown here, so the running high tracks it directly.		Fahrenheit2°Fhigh · low
highest-temperature-in-san-francisco, lowest-temperature-in-san-francisco

Reporting and delay

Regular reports:56:56 past each hour, UTC — 1 regular report per hour.
Median delay4.3 minFrom the observation time in the report to the public NOAA feed. 32 reports, measured 2026-09-16.
90th percentile4.5 minOne report in ten is at least this late. Worth knowing before you trust a quiet hour.
Coordinates37.620, -122.366Local civil time: America/Los_Angeles

Questions

Which weather station settles San Francisco temperature contracts?

Kalshi and Polymarket settle San Francisco on KSFO, San Francisco International.

What is the resolution source for Kalshi San Francisco temperature?

Kalshi names NWS Climatological Report (CLI), relayed by The Weather Company. Contracts settle in Fahrenheit on 2-degree buckets. The daily climatological report is compiled from the full one-minute record, so it can print a high that the hourly reports never showed.

What is the resolution source for Polymarket San Francisco temperature?

Polymarket names NOAA station observations published by weather.gov. Contracts settle in Fahrenheit on 2-degree buckets. The observation table is the same hourly report stream shown here, so the running high tracks it directly.

When does KSFO report?

:56 past each hour, UTC — 1 regular report per hour.

How long does a KSFO observation take to become public?

Measured over 26 hours on 2026-09-16, the median delay from the observation time in the report to its arrival on the public NOAA feed was 4.3 min, with a 90th percentile of 4.5 min across 32 reports. This moves with upstream conditions and is not a service level.

One email when plans open. No newsletter, and you can reply to unsubscribe.
WeatherTick tracks 67 settlement stations and publishes each day's running high and low already converted into the unit and bucket the contract settles in. Open the terminal for San Francisco, or see every settlement station. Settlement always follows the resolution source named by the venue; the figures here are computed from the public feed and are not a settlement source.