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Today Hourly 7 days 30 days January
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January 2026 Weather | Naperville, Illinois

Thu 1/1
Sunny Weather
Day 19°
Night 7°
0
Fri 1/2
Sunny Weather
Day 28°
Night 18°
0
Sat 1/3
Cloudy Weather
Day 32°
Night 19°
2
Sun 1/4
Cloudy Weather
Day 34°
Night 18°
49
Mon 1/5
Snowy Weather
Day 30°
Night 18°
85
Tue 1/6
Snowy Weather
Day 32°
Night 16°
70
Wed 1/7
Cloudy Weather
Day 23°
Night 10°
25
Thu 1/8
Cloudy Weather
Day 25°
Night 16°
25
Fri 1/9
Cloudy Weather
Day 30°
Night 21°
25
Sat 1/10
Cloudy Weather
Day 37°
Night 12°
25
Sun 1/11
Snowy Weather
Day 37°
Night 5°
57
Mon 1/12
Sunny Weather
Day 19°
Night 3°
20
Tue 1/13
Cold Day
Day 19°
Night 5°
25
Wed 1/14
Cloudy Weather
Day 27°
Night 19°
25
Thu 1/15
Snowy Weather
Day 34°
Night 16°
60
Fri 1/16
Cloudy Weather
Day 27°
Night 16°
20
Sat 1/17
Icy Road Conditions
Day 36°
Night 21°
64
Sun 1/18
Snowy Weather
Day 37°
Night 9°
69
Mon 1/19
Cloudy Weather
Day 37°
Night 7°
25
Tue 1/20
Snowy Weather
Day 21°
Night 3°
58
Wed 1/21
Cold Day
Day 19°
Night 3°
25
Thu 1/22
Cold Day
Day 19°
Night 7°
25
Fri 1/23
Snowy Weather
Day 34°
Night 10°
59
Sat 1/24
Cloudy Weather
Day 32°
Night 10°
25
Sun 1/25
Cloudy Weather
Day 32°
Night 21°
25
Mon 1/26
Cloudy Weather
Day 37°
Night 23°
25
Tue 1/27
Cloudy Weather
Day 39°
Night 23°
25
Wed 1/28
Sunny Weather
Day 37°
Night 21°
5
Thu 1/29
Cloudy Weather
Day 37°
Night 23°
25
Fri 1/30
Cloudy Weather
Day 39°
Night 25°
25
Sat 1/31
Cloudy Weather
Day 39°
Night 21°
25