ClimateAverages

Chicago Weather in October

JanFebMarAprMayJunJulAugSepOctNovDec
Right now
23°C
Partly cloudy · feels like 26°C
Humidity
85%
Wind
10 kph SSW
UV
0.1
Rain
0%
Updated Jul 9, 06:45 AMWeather data by WeatherAPI.com
October daytime high
16.8°C
October overnight low
7.1°C
October average
11.9°C

In October, Chicago typically sees daytime highs of 16.8°C and overnight lows around 7.1°C. Compared to the annual average high of 14.1°C, October runs +2.7°C.

vs. annual avg high
+2.7°C
Rank among 12 months
#6 warmest
Hottest year overall
2011

Where October ranks in Chicago

JanFebMarAprMayJunJulAugSepOct17°NovDec

FAQ

What is the average temperature in Chicago in October?

October in Chicago averages a daytime high of 16.8°C and an overnight low of 7.1°C.

Is October warm or cold in Chicago?

October runs +2.7°C compared to Chicago's annual average high of 14.1°C, ranking #6 of 12 months by warmth.

What should I pack for Chicago in October?

Plan for daytime highs near 16.8°C and cooler evenings around 7.1°C.

Other months for Chicago

JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberNovemberDecember

October in nearby cities

AuroraRockfordJolietNapervilleSpringfieldPeoriaNorth PeoriaElginWaukeganChampaignCiceroBloomington