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PolymarketPolymarket· Weather · Recurring · Hide From New · Chicago

Will the highest temperature in Chicago be between 74-75°F on September 18?

Chance

10%

Buy Yes

13¢

pays $1 if it happens

Buy No

92¢

pays $1 if it doesn’t

Prices from Polymarket, updated 8 minutes ago. Ends Sep 18, 12:00 PM UTC.

Price over the last 2 weeks
Cost of a Yes share

Latest trades

  • 3 hours agoBought Yes at 15¢$1
  • 8 hours agoBought No at 88¢$7
  • 8 hours agoBought No at 88¢$1
  • 8 hours agoBought No at 87¢$7
  • 8 hours agoBought Yes at 20¢$1
  • 8 hours agoBought Yes at 20¢$1
  • 15 hours agoBought Yes at 39.1¢$10
How this market is decidedShow

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 18 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. This market will resolve once the first data point for the following date has been published on the resolution source, or by 11:59 PM ET on the day following the observation date, whichever comes first. The resolution source for this market measures temperatures to whole degrees Fahrenheit (eg, 21°F). Thus, this is the level of precision that will be used when resolving the market. Revisions to temperatures recorded within this market's timeframe will be considered until the first datapoint for the following date has been published, after which any alterations will not be considered.