Temperature in Chicago, Illinois Check the temperature anywhere in the worldCheck Temperature66.6°F19.2°COvercastFeels like 61.3°FWeather observation: 2026-10-23 18:45 (local time)What's the Average Temperature in Chicago, Illinois?Check the average temperature this time of year →Explore by seasonSpring →Summer →Autumn →Winter →Select a monthMonth JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember View average →