Typical Weather in Chicago, IL in October
63° F Avg High
50° F Avg Low
0 Rainy Days
☀️ Temperature Summary
October is one of the warmer months of the year for Chicago, with highs averaging around 63°F. You can expect overnight lows near 50°F most days. Daily high temperatures can range between 68°F and 55°F for the month of October.
October is a great time to visit Chicago, with mild temperatures and sunny days being very common.
High Temps Throughout the Year
🎒 What to Pack
Pick up a few of these items to keep your trip fun and comfortable.
☔ Rain Summary
In October you can expect close to a 0% chance of rain for any given day. It rains more than usual in October, with total rainfall for the month typically near NaN inches.
Rainfall Throughout the Year
Planning a trip to Chicago? Try our free trip weather planner