TOTAL VOLUME:
$134.2b
24H VOL:
$126,324,530
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,434,646,834
406,019
Markets across
30,401
events
MATCHED EVENTS:
2,689
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 19, 4:00 AM EST
Kalshi
This event tracks the lowest temperature recorded in Seattle on July 18, 2026. The outcome will be determined by the official National Weather Service Climatological Report for that date, with resolution based on which temperature range the recorded minimum falls into.
Resolution is determined by the minimum temperature recorded at Seattle-Tacoma, WA on July 18, 2026, as reported in the National Weather Service's Climatological Report (Daily). The official data source is accessed through the NWS website by navigating to the Observed Weather tab and selecting Seattle-Tacoma, WA with Daily Climate Report. Temperature ranges are: 50°F or below, 51-52°F, 53-54°F, 55-56°F, 57-58°F, and 59°F or above. Traders should note that preliminary NWS data may be subject to rounding and conversion nuances, and the final official NWS Climatological Report (Daily) takes precedence over other weather sources such as AccuWeather or Google Weather.