Hourly Weather Forecast - Janesville, WI

12 AM
30°F
0%
5mph
NE
Mostly Cloudy
Humidity
87%
Feels like
25°F
Dew Point
27°F
1 AM
30°F
0%
5mph
ENE
Mostly Cloudy
Humidity
85%
Feels like
25°F
Dew Point
26°F
2 AM
29°F
0%
6mph
E
Cloudy
Humidity
83%
Feels like
24°F
Dew Point
25°F
3 AM
29°F
0%
6mph
E
Cloudy
Humidity
84%
Feels like
22°F
Dew Point
25°F
4 AM
28°F
0%
7mph
ESE
Cloudy
Humidity
87%
Feels like
21°F
Dew Point
25°F
5 AM
28°F
0%
8mph
ESE
Cloudy
Humidity
87%
Feels like
21°F
Dew Point
25°F
6 AM
29°F
0%
8mph
ESE
Cloudy
Humidity
89%
Feels like
21°F
Dew Point
26°F
7 AM
30°F
0%
9mph
SE
Partly Cloudy
Humidity
87%
Feels like
22°F
Dew Point
27°F
7:24 AM
8 AM
33°F
0%
9mph
SE
Partly Cloudy
Humidity
85%
Feels like
25°F
Dew Point
29°F
9 AM
35°F
0%
9mph
SE
Mostly Sunny
Humidity
82%
Feels like
28°F
Dew Point
30°F
10 AM
37°F
0%
10mph
SE
Mostly Sunny
Humidity
76%
Feels like
30°F
Dew Point
31°F
11 AM
39°F
10%
10mph
SE
Partly Cloudy
Humidity
72%
Feels like
33°F
Dew Point
31°F
12 PM
40°F
30%
10mph
SSE
30% Chance of Light Rain
Humidity
66%
Feels like
34°F
Dew Point
30°F
1 PM
41°F
10%
9mph
SSE
Cloudy
Humidity
65%
Feels like
35°F
Dew Point
30°F
2 PM
41°F
20%
9mph
SSE
Cloudy
Humidity
65%
Feels like
36°F
Dew Point
30°F
3 PM
41°F
10%
8mph
SSE
Cloudy
Humidity
66%
Feels like
36°F
Dew Point
30°F
4 PM
40°F
10%
7mph
SSE
Cloudy
Humidity
71%
Feels like
35°F
Dew Point
31°F
4:27 PM
5 PM
40°F
10%
6mph
SSE
Cloudy
Humidity
78%
Feels like
35°F
Dew Point
33°F
6 PM
40°F
10%
5mph
SSE
Cloudy
Humidity
88%
Feels like
36°F
Dew Point
36°F
7 PM
40°F
10%
4mph
SSE
Cloudy
Humidity
92%
Feels like
36°F
Dew Point
37°F
8 PM
40°F
10%
4mph
S
Cloudy
Humidity
91%
Feels like
37°F
Dew Point
37°F
9 PM
40°F
10%
4mph
S
Cloudy
Humidity
94%
Feels like
37°F
Dew Point
38°F
10 PM
40°F
10%
3mph
SSE
Cloudy
Humidity
96%
Feels like
38°F
Dew Point
38°F
11 PM
40°F
20%
3mph
ENE
Cloudy
Humidity
96%
Feels like
40°F
Dew Point
39°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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