Average temperatures, rainfall and packing tips for Chicago, United States in October
🌡️ Avg high
20°C
🌙 Avg low
10°C
🌧️ Rainfall
~53 mm
📊 Warmth rank
#6 of 12
October in Chicago at a glance
October in Chicago is typically mild, with average daytime highs around 20°C and nights near 10°C. Temperature-wise it sits mid-range for Chicago (the 6th warmest month).
Expect some rain: around 53 mm falls in Chicago during October on average.
What to pack for Chicago in October
Medium layers: long sleeves and a sweater
A light-to-medium jacket
A compact umbrella for occasional showers
Chicago - year at a glance
HighLow · October highlighted
Is October a good time to visit Chicago?
🧳 October is one of the most comfortable months to visit Chicago - daytime temperatures sit in a pleasant range and it's a good pick for sightseeing and time outdoors.
In October, Chicago averages a daytime high of about 20°C and a night-time low of around 10°C, based on recent historical data.
Does it rain in Chicago in October?
Expect some rain: around 53 mm falls in Chicago during October on average.
Is October a good time to visit Chicago?
October is one of the most comfortable months to visit Chicago - daytime temperatures sit in a pleasant range and it's a good pick for sightseeing and time outdoors.