KalshiCheck availabilityKYC requiredVerified resolution dataWell calibratedCurrent implied probability
76° to 77° 87.1%+78.0ptLeader of 6 outcomes
76° to 77° 87.1%+78.0ptMarket quality
78 / 100
High quality24h Volume
$29.6K
Open interest
$17.9K
Medium open interestSpread
1.0 pt
Tight spreadMarket data
Updated 15 minutes ago
Sep 29, 26, 2:00 PM UTCOct 1, 26, 5:00 AM UTC
Trends
Venue terms
Source: Kalshi
Informational venue terms only; CoinRithm paper trading uses its own rules.
- Early close:
- Yes
- Settlement timer:
- 5m (informational)
Related Markets
Related questions for context, not a comparison of equivalent contracts.
Highest temperature in Philadelphia on Oct 1, 2026?
KalshiLowest temperature in Philadelphia on Sep 30, 2026?
KalshiWill the highest temperature in Philadelphia (PHL)(KPHL) exceed 78 F on September 30, 2026? (maximum) (max) (hottest)?
ForecastExLowest temperature in Philadelphia on Oct 1, 2026?
KalshiWill the highest temperature in Philadelphia (PHL)(KPHL) exceed 79 F on September 30, 2026? (maximum) (max) (hottest)?
ForecastExWill the lowest temperature in Philadelphia (PHL)(KPHL) be below 61 F on September 30, 2026? (minimum) (min) (coldest)?
ForecastExRules
If the maximum temperature recorded at Philadelphia (CLIPHL) for Sep 30, 2026, is between 76-77° 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. If no data is available at the end of this period, all markets will resolve to the last fair price determined by Kalshi. Please note, a status of "Final" on weather.com/kalshi is provided for convenience only, and does not guarantee data to be error-free and thus exempt from the above.
Rules for each outcome
- 76° to 77°
- If the maximum temperature recorded at Philadelphia (CLIPHL) for Sep 30, 2026, is between 76-77° fahrenheit according to The Weather Company, then the market resolves to Yes.
- 78° to 79°
- If the maximum temperature recorded at Philadelphia (CLIPHL) for Sep 30, 2026, is between 78-79° fahrenheit according to The Weather Company, then the market resolves to Yes.
- 80° to 81°
- If the maximum temperature recorded at Philadelphia (CLIPHL) for Sep 30, 2026, is between 80-81° fahrenheit according to The Weather Company, then the market resolves to Yes.
- 75° or below
- If the maximum temperature recorded at Philadelphia (CLIPHL) for Sep 30, 2026, is less than 76° fahrenheit according to The Weather Company, then the market resolves to Yes.
- 82° to 83°
- If the maximum temperature recorded at Philadelphia (CLIPHL) for Sep 30, 2026, is between 82-83° fahrenheit according to The Weather Company, then the market resolves to Yes.
- 84° or above
- If the maximum temperature recorded at Philadelphia (CLIPHL) for Sep 30, 2026, is greater than 83° fahrenheit according to The Weather Company, then the market resolves to Yes.
