TOTAL VOLUME:
$134.2b
24H VOL:
$134,145,987
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,441,166,947
406,422
Markets across
30,383
events
MATCHED EVENTS:
2,688
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Aug 22, 2:00 AM EST
Kalshi
Houston's August 21, 2026 weather will be watched for signs of entering extended heat periods that could affect local health and industry operations. Humidity levels often amplify perceived temperature during such Texas summer days.
Six temperature ranges govern outcomes for Houston on August 21, 2026. Markets resolve to Yes if the maximum temperature recorded at Houston (CLIHOU) is under 99°F, between 99-100°F, between 101-102°F, between 103-104°F, between 105-106°F, or above 106°F according to The Weather Company. The Weather Company supplies the authoritative temperature data, resolving any inconsistencies that might arise from consulting alternative weather reporting services.