Settlement stations / WSSS

SG · Asia/Singapore

Polymarket Singapore temperature: settles on WSSS

WSSS is Changi, Singapore. Polymarket settles 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
PolymarketNOAA station observations published by weather.gov
Source code WSSS. The observation table is the same hourly report stream shown here, so the running high tracks it directly.		Celsius1°Chigh · low
highest-temperature-in-singapore, lowest-temperature-in-singapore

Reporting and delay

Regular reports:00 :30:00 and :30 past each hour, UTC — 2 regular reports per hour.
Median delay58sFrom the observation time in the report to the public NOAA feed. 52 reports, measured 2026-09-16.
90th percentile66sOne report in ten is at least this late. Worth knowing before you trust a quiet hour.
Coordinates1.368, 103.982Local civil time: Asia/Singapore

Questions

Which weather station settles Singapore temperature contracts?

Polymarket settles Singapore on WSSS, Changi.

What is the resolution source for Polymarket Singapore temperature?

Polymarket names NOAA station observations published by weather.gov. Contracts settle in Celsius on 1-degree buckets. The observation table is the same hourly report stream shown here, so the running high tracks it directly.

When does WSSS report?

:00 and :30 past each hour, UTC — 2 regular reports per hour.

How long does a WSSS 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 58s, with a 90th percentile of 66s across 52 reports. This moves with upstream conditions and is not a service level.

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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 Singapore, 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.