Hourly Weather Forecast - Janesville, WI

12 AM
25°F
0%
14mph
S
Partly Cloudy
Humidity
59%
Feels like
13°F
Dew Point
12°F
1 AM
25°F
0%
15mph
S
Partly Cloudy
Humidity
61%
Feels like
13°F
Dew Point
14°F
2 AM
26°F
0%
15mph
S
Partly Cloudy
Humidity
62%
Feels like
14°F
Dew Point
15°F
3 AM
27°F
0%
15mph
S
Mostly Cloudy
Humidity
63%
Feels like
15°F
Dew Point
16°F
4 AM
28°F
0%
15mph
S
Mostly Cloudy
Humidity
65%
Feels like
16°F
Dew Point
18°F
5 AM
29°F
0%
15mph
S
Cloudy
Humidity
65%
Feels like
18°F
Dew Point
19°F
6 AM
30°F
0%
14mph
S
Cloudy
Humidity
65%
Feels like
19°F
Dew Point
20°F
7 AM
32°F
0%
14mph
SSW
Cloudy
Humidity
64%
Feels like
22°F
Dew Point
21°F
7:22 AM
8 AM
33°F
0%
13mph
SSW
Cloudy
Humidity
63%
Feels like
24°F
Dew Point
22°F
9 AM
35°F
0%
12mph
SSW
Cloudy
Humidity
63%
Feels like
26°F
Dew Point
23°F
10 AM
36°F
10%
12mph
SW
Cloudy
Humidity
63%
Feels like
28°F
Dew Point
25°F
11 AM
37°F
10%
11mph
SW
Mostly Cloudy
Humidity
64%
Feels like
29°F
Dew Point
26°F
12 PM
37°F
10%
11mph
WSW
Mostly Cloudy
Humidity
65%
Feels like
29°F
Dew Point
26°F
1 PM
36°F
10%
11mph
W
Partly Cloudy
Humidity
65%
Feels like
28°F
Dew Point
26°F
2 PM
36°F
0%
11mph
W
Partly Cloudy
Humidity
64%
Feels like
28°F
Dew Point
25°F
3 PM
34°F
0%
11mph
WNW
Mostly Sunny
Humidity
64%
Feels like
26°F
Dew Point
23°F
4 PM
33°F
0%
12mph
WNW
Mostly Sunny
Humidity
63%
Feels like
24°F
Dew Point
21°F
4:24 PM
5 PM
31°F
0%
12mph
WNW
Clear
Humidity
63%
Feels like
21°F
Dew Point
19°F
6 PM
29°F
10%
13mph
WNW
Clear
Humidity
62%
Feels like
18°F
Dew Point
17°F
7 PM
27°F
10%
14mph
WNW
Clear
Humidity
61%
Feels like
16°F
Dew Point
15°F
8 PM
25°F
10%
15mph
WNW
Clear
Humidity
60%
Feels like
13°F
Dew Point
13°F
9 PM
24°F
10%
16mph
WNW
Clear
Humidity
59%
Feels like
11°F
Dew Point
12°F
10 PM
22°F
10%
16mph
WNW
Clear
Humidity
59%
Feels like
9°F
Dew Point
10°F
11 PM
22°F
0%
17mph
WNW
Clear
Humidity
58%
Feels like
8°F
Dew Point
9°F

Rainfall and Snowfall Totals Through Thursday

Pineapple Express Slams Northwestern U.S.

The atmospheric river this week will keep buffeting the Pacific Northwest with heavy rain, snow, and high winds.

Wednesday's Weather Outlook

Today's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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