KalshiClosedCheck availabilityKYC required2% feeVerified resolution dataFairly calibratedThis market resolved: 83° to 84° (99%)
Resolved: Sep 17, 2026, 11:10 AM
Provider-verified resolution
CoinRithm has provider-backed winner and settlement-time evidence for this market.
Data quality warningStale data
Data as of Sep 17, 2026, 5:16 AM UTC · policy pm-quality-3
Probability Timeline
81° to 82°13%
83° to 84°63%
85° to 86°17%
79° to 80°2%
87° or above1%
78° or below1%
Won
Before close: 99% ·
Lost
Before close: 1% ·
Lost
Before close: 1% ·
Lost
Before close: 1% ·
Lost
Before close: 1% ·
Lost
Before close: 1% ·
Rules
If the maximum temperature recorded at Philadelphia (CLIPHL) for Sep 16, 2026, is less than 79° fahrenheit according to The Weather Company, then the market resolves to Yes.
Settles via:The Weather Company
- Not all weather data is the same.
- While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market is the maximum/minimum temperature as reported by the Weather Company.
- Reading weather data Preliminary Weather Company data may be subject to rounding and conversion differences from the final reported value.
- Use caution when interpreting preliminary Weather Company readings.
- If it is determined in the sole discretion of the Exchange that there is a material error in the initial non-preliminary publication, Expiration may be held until the publication of a non-materially-erroneous data revision or until the Expiration Date, whichever comes first.
