Chicago, IL – October 2026 has entered the weather record books across northern Illinois, with Chicago experiencing its first October on record without a single daytime high temperature below 57 degrees, according to newly released climate statistics.
According to the National Weather Service in Chicago, the month ranked among the 10 warmest Octobers on record for both Chicago and Rockford, with persistent warmth and below-normal precipitation dominating much of the region.
Chicago Breaks Longstanding October Temperature Benchmark Chicago’s average October temperature reached 60.8 degrees, finishing 6.8 degrees above normal and tying for the sixth-warmest October on record…