PolymarketCheck availabilityNo KYC2% feeVerified resolution dataWell calibratedCurrent implied probability
66-67°F 49%+27.0ptLeader of 11 outcomesVig-adjusted: raw venue quotes summed above 100% and were normalized.
Market quality
78 / 100
High quality24h Volume
$12.6K
Liquidity
$51.7K
High liquiditySpread
1.0 pt
Tight spreadComments
0
Market data
Updated 12 minutes ago
Sep 21, 26, 7:56 AM UTCSep 23, 26, 12:00 PM UTC
Trends
Related Markets
Related questions for context, not a comparison of equivalent contracts.
Highest temperature in Chicago on September 24?
PolymarketLowest temperature in Chicago on September 23?
PolymarketHighest temperature in Chicago on September 22, 2026?
GeminiHighest temperature in Chicago on Sep 22, 2026?
KalshiLowest temperature in Chicago on Sep 22, 2026?
KalshiWill the highest temperature in Chicago (CHI)(MDW)(KMDW) exceed 62 F on September 22, 2026?
ForecastExRules
This market will resolve to the temperature range that contains the highest temperature recorded by NOAA at the Chicago O'Hare Intl Airport Station in degrees Fahrenheit on 23 Sep '26.
- The resolution source for this market will be information from NOAA, specifically the highest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=kord
- This market will resolve off of the Hourly Data provided using the "Show Hourly Data" button.
- If NOAA data for the observation date is unavailable by 11:59 PM ET on the day following the observation date, the Weather Underground Daily Observations table will be used as the resolution source.
- In the event that there is no data for the observation date by 11:59 PM ET on the day following the observation date, this market will resolve to the lowest bracket.
- To toggle between Fahrenheit and Celsius, click the "Switch to US Units w/ kts" button until the relevant table displays °F.
Open markets
WeatherKALSHIWhere will it rain on Sep 22, 2026?
- Newark+59.0pt99%
- Oklahoma City+95.0pt99%
- Philadelphia+11.0pt99%
+24 more outcomes
- Total Vol
- $209K
- 24h Vol
- $202.3K
KALSHIHighest temperature in Los Angeles on Sep 22, 2026?
- 77° to 78°52.8%
- 79° to 80°23.1%
- 75° to 76°20.4%
+3 more outcomes
- Total Vol
- $60.8K
- 24h Vol
- $60.4K
POLYMARKETHighest temperature in Wellington on September 23?
- 10°C+27.5pt42.4%
- 11°C-22.0pt34.3%
- 9°C+14.5pt17.2%
+8 more outcomes
KALSHIHighest temperature in New York City on Sep 22, 2026?
- 65° to 66°49.5%
- 63° to 64°23.8%
- 67° to 68°20%
+3 more outcomes
- Total Vol
- $41K
- 24h Vol
- $40.8K
POLYMARKETMeasles cases in U.S. in 2026?
+12 more outcomes
- Total Vol
- $8M
- 24h Vol
- $39.9K
POLYMARKETHighest temperature in Shanghai on September 23?
- 29°C+10.5pt49%
- 28°C-7.0pt41.4%
- 27°C-1.0pt5.8%
+8 more outcomes
- Highest temperature in Miami on Sep 22, 2026?
- Highest temperature in Austin on Sep 22, 2026?
- Highest temperature in London on September 23?
- What will be the name of the first hurricane in the Atlantic this year?
- Highest temperature in Tokyo on September 23?
- Highest temperature in Paris on September 23?
- Highest temperature in Helsinki on September 23?
- Highest temperature in Atlanta on Sep 22, 2026?
- Highest temperature in Dallas on Sep 22, 2026?
- Highest temperature in Shenzhen on September 23?
Frequently asked questions
- What are the current odds for Highest temperature in Chicago on September 23??
- Polymarket prices 66-67°F at 49% as of September 22, 2026.
- When does Highest temperature in Chicago on September 23? resolve?
- Highest temperature in Chicago on September 23? is scheduled to resolve on September 23, 2026.
- How is Highest temperature in Chicago on September 23? settled?
- Polymarket settles this market as follows: This market will resolve to the temperature range that contains the highest temperature recorded by NOAA at the Chicago O'Hare Intl Airport Station in degrees Fahrenheit on 23 Sep '26.