Highest temperature in Chicago on August 14?
- Will the highest temperature in Chicago be between 84-85°F on August 14?3¢
- Will the highest temperature in Chicago be between 86-87°F on August 14?<1¢
- Will the highest temperature in Chicago be between 88-89°F on August 14?<1¢
- Will the highest temperature in Chicago be between 90-91°F on August 14?<1¢
- Will the highest temperature in Chicago be 92°F or higher on August 14?<1¢
- Will the highest temperature in Chicago be 73°F or below on August 14?<1¢
- Will the highest temperature in Chicago be between 74-75°F on August 14?5¢
- Will the highest temperature in Chicago be between 76-77°F on August 14?14¢
- Will the highest temperature in Chicago be between 78-79°F on August 14?40¢
- Will the highest temperature in Chicago be between 80-81°F on August 14?31¢
- Will the highest temperature in Chicago be between 82-83°F on August 14?11¢
This market will resolve based on the highest temperature recorded in the 'Daily Observations' table on Weather Underground, not the figure displayed in the 'Day High & Low' summary section; in the event of any discrepancy between the two, the Daily Observations table shall be the primary resolution source not the Day High & Low section. This market will resolve to the temperature range that contains the highest temperature recorded at the Chicago O'Hare Intl Airport Station in degrees Fahrenheit on 14 Aug '26. The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the Chicago O'Hare Intl Airport Station, available here: https://www.wunderground.com/history/daily/us/il/chicago/KORD. To toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C. This market can not resolve until the first data point for the following date has been published on the resolution source. 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.
Latest National Weather Service and NOAA model runs point to a highest temperature in Chicago on August 14 most likely between 78–81°F, driven by a moderating lake breeze from Lake Michigan and a weak high-pressure ridge limiting daytime heating. Ensemble guidance shows modest spread due to variable cloud cover and boundary-layer moisture, with historical mid-August normals near 83°F providing context for the cooler outlook. Traders weigh these short-range forecasts against potential model adjustments in afternoon updates, as lake-effect cooling and wind shifts can shift the daily maximum by 2–3°F.