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

Today 9/9
Cloudy Weather
Day 75°
Night 63°
0
Wed 9/10
Cloudy Weather
Day 77°
Night 64°
25
Thu 9/11
Cloudy Weather
Day 77°
Night 64°
2
Fri 9/12
Cloudy Weather
Day 82°
Night 68°
1
Sat 9/13
Cloudy Weather
Day 81°
Night 68°
55
Sun 9/14
Cloudy Weather
Day 79°
Night 68°
15
Mon 9/15
Cloudy Weather
Day 79°
Night 66°
12
Tue 9/16
Cloudy Weather
Day 72°
Night 61°
11
Wed 9/17
Cloudy Weather
Day 73°
Night 63°
3
Thu 9/18
Sunny with a Chance of Thunderstorms
Day 73°
Night 64°
65
Fri 9/19
Sunny Weather
Day 81°
Night 66°
1
Sat 9/20
Cloudy Weather
Day 81°
Night 66°
3
Sun 9/21
Cloudy Weather
Day 75°
Night 64°
8
Mon 9/22
Cloudy Weather
Day 72°
Night 59°
25
Tue 9/23
Cloudy Weather
Day 66°
Night 55°
20
Wed 9/24
Cloudy Weather
Day 70°
Night 61°
20
Thu 9/25
Sunny Weather
Day 73°
Night 63°
5
Fri 9/26
Sunny Weather
Day 73°
Night 61°
5
Sat 9/27
Cloudy Weather
Day 73°
Night 63°
20
Sun 9/28
Cloudy Weather
Day 75°
Night 61°
25
Mon 9/29
Cloudy Weather
Day 70°
Night 57°
20
Tue 9/30
Cloudy Weather
Day 64°
Night 59°
25