Highest temperature in Chicago on October 3? - 66 to 67
Prediction market on polymarket_us. Will the highest temperature recorded at Chicago Midway Airport (KMDW) in Chicago for 2026-10-03 as reported by the National Weather Service's Climatological Report (Daily) be between 66F and 67F? Outcome verified from NWS Climatological Report.
Resolves: 10/4/2026.