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Today Hourly 7 days 30 days October
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October 2025 Weather | Chicago, Illinois

Wed 10/1
Partly Sunny with Showers
Day 70°
Night 61°
55
Thu 10/2
Cloudy Weather
Day 72°
Night 61°
20
Fri 10/3
Cloudy Weather
Day 73°
Night 61°
25
Sat 10/4
Sunny with a Chance of Thunderstorms
Day 72°
Night 61°
70
Sun 10/5
Rainy Weather
Day 70°
Night 55°
57
Mon 10/6
Rainy Weather
Day 61°
Night 57°
56
Tue 10/7
Rainy Weather
Day 61°
Night 57°
55
Wed 10/8
Cloudy Weather
Day 61°
Night 55°
25
Thu 10/9
Cloudy Weather
Day 59°
Night 55°
25
Fri 10/10
Cloudy Weather
Day 59°
Night 54°
25
Sat 10/11
Cloudy Weather
Day 61°
Night 55°
20
Sun 10/12
Sunny Weather
Day 63°
Night 54°
20
Mon 10/13
Sunny Weather
Day 64°
Night 54°
20
Tue 10/14
Sunny Weather
Day 64°
Night 54°
10
Wed 10/15
Sunny Weather
Day 59°
Night 48°
10
Thu 10/16
Cloudy Weather
Day 57°
Night 48°
20
Fri 10/17
Sunny Weather
Day 64°
Night 54°
0
Sat 10/18
Sunny with a Chance of Thunderstorms
Day 66°
Night 54°
61
Sun 10/19
Cloudy Weather
Day 64°
Night 48°
25
Mon 10/20
Rainy Weather
Day 54°
Night 41°
55
Tue 10/21
Rainy Weather
Day 63°
Night 39°
Wed 10/22
Cloudy Weather
Day 52°
Night 39°
Thu 10/23
Cloudy Weather
Day 50°
Night 39°
Fri 10/24
Cloudy Weather
Day 48°
Night 37°
Sat 10/25
Rainy Weather
Day 50°
Night 37°
Sun 10/26
Rainy Weather
Day 48°
Night 45°
Mon 10/27
Cloudy Weather
Day 52°
Night 45°
Tue 10/28
Cloudy Weather
Day 55°
Night 37°
Wed 10/29
Cloudy Weather
Day 52°
Night 43°
Thu 10/30
Partly Sunny with Showers
Day 50°
Night 37°
Fri 10/31
Rainy Weather
Day 48°
Night 39°