Hourly Weather Forecast - Janesville, WI

12 AM
47°F
10%
9mph
NW
Cloudy
Humidity
90%
Feels like
43°F
Dew Point
44°F
1 AM
46°F
10%
9mph
NW
Cloudy
Humidity
90%
Feels like
41°F
Dew Point
44°F
2 AM
45°F
10%
10mph
NW
Cloudy
Humidity
92%
Feels like
39°F
Dew Point
42°F
3 AM
43°F
10%
10mph
NW
Cloudy
Humidity
91%
Feels like
38°F
Dew Point
41°F
4 AM
42°F
10%
10mph
NNW
Cloudy
Humidity
91%
Feels like
36°F
Dew Point
40°F
5 AM
41°F
10%
11mph
NNW
Cloudy
Humidity
90%
Feels like
35°F
Dew Point
38°F
6 AM
40°F
10%
11mph
N
Cloudy
Humidity
91%
Feels like
33°F
Dew Point
38°F
7 AM
40°F
10%
11mph
N
Cloudy
Humidity
89%
Feels like
33°F
Dew Point
37°F
7:25 AM
8 AM
40°F
10%
10mph
N
Cloudy
Humidity
86%
Feels like
34°F
Dew Point
36°F
9 AM
41°F
10%
10mph
N
Cloudy
Humidity
84%
Feels like
35°F
Dew Point
36°F
10 AM
41°F
10%
10mph
N
Cloudy
Humidity
80%
Feels like
35°F
Dew Point
36°F
11 AM
42°F
10%
9mph
N
Cloudy
Humidity
78%
Feels like
36°F
Dew Point
36°F
12 PM
42°F
10%
9mph
N
Cloudy
Humidity
77%
Feels like
37°F
Dew Point
35°F
1 PM
42°F
10%
9mph
N
Cloudy
Humidity
76%
Feels like
36°F
Dew Point
35°F
2 PM
41°F
10%
9mph
N
Cloudy
Humidity
75%
Feels like
36°F
Dew Point
34°F
3 PM
40°F
10%
9mph
NNE
Cloudy
Humidity
77%
Feels like
34°F
Dew Point
33°F
4 PM
39°F
10%
9mph
NNE
Cloudy
Humidity
80%
Feels like
33°F
Dew Point
33°F
4:28 PM
5 PM
37°F
10%
8mph
NE
Cloudy
Humidity
82%
Feels like
31°F
Dew Point
32°F
6 PM
37°F
10%
8mph
ENE
Cloudy
Humidity
83%
Feels like
31°F
Dew Point
32°F
7 PM
36°F
10%
6mph
ENE
Cloudy
Humidity
84%
Feels like
31°F
Dew Point
32°F
8 PM
35°F
10%
7mph
E
Cloudy
Humidity
87%
Feels like
30°F
Dew Point
32°F
9 PM
35°F
10%
7mph
E
Cloudy
Humidity
88%
Feels like
29°F
Dew Point
32°F
10 PM
35°F
10%
8mph
E
Mostly Cloudy
Humidity
89%
Feels like
29°F
Dew Point
32°F
11 PM
35°F
10%
8mph
ESE
Mostly Cloudy
Humidity
89%
Feels like
29°F
Dew Point
32°F

Rain And Snow Totals Through Monday

Atmospheric River Impacts Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California through Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

White Christmas? What Are The Odds

Today's Weather Outlook

Today's Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

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