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 18, 1:00 AM EST
Kalshi
This event forecasts the highest temperature in Washington DC on July 17, 2026. The outcome will be determined by the maximum temperature recorded at Washington-National on that date according to the National Weather Service's official daily climatological report.
Resolution is based on the maximum temperature recorded at Washington-National on July 17, 2026, as reported in the National Weather Service's Climatological Report (Daily), accessible via the NWS Sterling/Washington office website. The event is divided into six temperature bands: 91°F or below, 92-93°F, 94-95°F, 96-97°F, 98-99°F, and 100°F or above. Each band corresponds to a distinct outcome. The official NWS Climatological Report (Daily) is the authoritative source for resolution; preliminary NWS data and third-party weather services such as AccuWeather or Google Weather may be consulted for guidance but are not binding. Traders should be aware that preliminary NWS reporting and measurement methods may involve rounding and conversion nuances that could affect interpretation of borderline values.