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Today Hourly 7 days 30 days January
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January 2026 Weather | Janesville, Wisconsin

Today 1/13
Cloudy Weather
Day 54°
Night 21°
1
Wed 1/14
Snowy Weather
Day 25°
Night 12°
55
Thu 1/15
Cloudy Weather
Day 27°
Night 21°
25
Fri 1/16
Snowy Weather
Day 36°
Night 12°
86
Sat 1/17
Snowy Weather
Day 16°
Night 7°
65
Sun 1/18
Snowy Weather
Day 18°
Night 3°
57
Mon 1/19
Cold Day
Day 9°
Night 0°
17
Tue 1/20
Snowy Weather
Day 10°
Night 5°
61
Wed 1/21
Sunny Weather
Day 21°
Night 16°
3
Thu 1/22
Cloudy Weather
Day 25°
Night 12°
4
Fri 1/23
Cloudy Weather
Day 25°
Night 10°
14
Sat 1/24
Cold Day
Day 18°
Night 16°
42
Sun 1/25
Sunny Weather
Day 27°
Night 19°
1
Mon 1/26
Cloudy Weather
Day 25°
Night 16°
20
Tue 1/27
Cloudy Weather
Day 19°
Night 14°
25
Wed 1/28
Cloudy Weather
Day 36°
Night 14°
25
Thu 1/29
Snowy Weather
Day 34°
Night 3°
55
Fri 1/30
Cloudy Weather
Day 18°
Night 3°
25
Sat 1/31
Cloudy Weather
Day 19°
Night 3°
10