Chicago weather by month › October
Chicago in October: weather and what to expect
It’s fine, but not the best. September is more pleasant.
October weather in Chicago
Daytime high64°F 18°C
Night low44°F 7°C
Rain3.1 in 79 mm
AirDry
SunModerate sun
In October, Chicago averages highs of 64°F (18°C) and lows of 44°F (7°C), with 3.1 in (79 mm) of rain. The air feels dry and the sun is moderate. 1991–2020 averages, not a forecast.
Pack: a sweater for evenings.
Places with the same weather in October
Match out of 100 for October, one city per country.
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