PolymarketCheck availabilityNo KYCVerified resolution dataWell calibratedCurrent implied probability
68-69°F 39.8%+1.0ptLeader of 11 outcomesVig-adjusted: raw venue quotes summed above 100% and were normalized.
Market quality
72 / 100
Medium quality24h Volume
$10.7K
Liquidity
$35.7K
High liquiditySpread
3.0 pt
Moderate spreadComments
0
Market data
Updated 24 minutes ago
Sep 23, 26, 7:56 AM UTCSep 25, 26, 12:00 PM UTC
Trends
Venue terms
Source: Polymarket
Informational venue terms only; CoinRithm paper trading uses its own rules.
- Minimum order (shares):
- 5
- Tick size:
- 1 percentage points
- Fees:
- Yes
Related Markets
Related questions for context, not a comparison of equivalent contracts.
Highest temperature in Chicago on September 26?
PolymarketHighest temperature in Chicago on September 24, 2026?
GeminiLowest temperature in Chicago on September 25?
PolymarketLowest temperature in Chicago on September 26?
PolymarketHighest temperature in Chicago on Sep 24, 2026?
KalshiLowest temperature in Chicago on Sep 24, 2026?
KalshiRules
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 25 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.
Prediction Source Comparison
Open markets
WeatherKALSHIWhere will it rain on Sep 24, 2026?
- Columbus+93.0pt99%
- Seattle-6.0pt84%
- Minneapolis+16.0pt72%
+25 more outcomes
- Total Vol
- $449.9K
- 24h Vol
- $435.3K
KALSHIHighest temperature in Los Angeles on Sep 24, 2026?
- 78° to 79°+29.0pt59.3%
- 80° to 81°-3.0pt22.2%
- 77° or below-17.0pt12%
+3 more outcomes
- Total Vol
KALSHIHighest temperature in Miami on Sep 24, 2026?
- 90° to 91°+36.0pt72.3%
- 92° or above-18.0pt19.8%
- 88° to 89°-15.0pt5%
+3 more outcomes
- Total Vol
KALSHIHighest temperature in New York City on Sep 24, 2026?
- 66° to 67°+23.0pt60.8%
- 65° or below+16.0pt30.8%
- 68° to 69°-25.0pt5.6%
+3 more outcomes
- Total Vol
KALSHIHighest temperature in Seattle on Sep 24, 2026?
- 62° to 63°+20.0pt47.1%
- 60° to 61°+5.0pt42.2%
- 64° to 65°6.9%
+3 more outcomes
- Total Vol
- $80K
KALSHIHighest temperature in Chicago on Sep 24, 2026?
- 70° to 71°+36.0pt68.9%
- 68° to 69°-23.0pt19.8%
- 72° to 73°+4.0pt7.5%
+3 more outcomes
- Total Vol
- Measles cases in U.S. in 2026?
- Highest temperature in Boston on Sep 24, 2026?
- Highest temperature in San Francisco on Sep 24, 2026?
- Highest temperature in Minneapolis on Sep 24, 2026?
- When will Big Sky open for the 26/27 winter season?
- Where will it rain on Sep 25, 2026?
- Highest temperature in Atlanta on Sep 24, 2026?
- Hurricane Fay category?
- Highest temperature in Phoenix on Sep 24, 2026?
- Highest temperature in Paris on September 25?
- Highest temperature in Tokyo on September 25?
Frequently asked questions
- What are the current odds for Highest temperature in Chicago on September 25??
- Polymarket prices 68-69°F at 39.8% as of September 24, 2026.
- When does Highest temperature in Chicago on September 25? resolve?
- Highest temperature in Chicago on September 25? is scheduled to resolve on September 25, 2026.
- How is Highest temperature in Chicago on September 25? 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 25 Sep '26.
- Where else is Highest temperature in Chicago on September 25? listed?
- The same question is also listed on Kalshi, Gemini.