Weather in Chicago in October
Chicago, United States averages a high of 16.2°C (61.2°F) and low of 9.3°C (48.7°F) in October, with 10 rain days and 7.9 hours of daily sunshine. Travel score: 67.7/100 (Good). The best time to visit Chicago is September.
High
16°C61°F
Low
9°C49°F
🌧️
10
rain days
☀️
7.9
hrs/day sunshine
💧
70%
humidity
68— Good
October in Chicago is mild and occasionally wet — good for most activities.
What are the average temperatures in Chicago?
How much does it rain in Chicago in October?
Chicago receives an average of 88.5mm of rainfall across 10 rainy days in October. The annual total is 988.7mm.
What should I pack for Chicago in October?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 16°C
Recommended
🧥
Light rain jacket
Some rainy days expected (10 days)
☔
Umbrella
Be prepared for occasional showers
🧴
Sunscreen
Sun protection is still recommended
🕶️
Sunglasses
Useful for sunny periods
Traveling to United States in October?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31