Hourly Weather Forecast - Janesville, WI

11 AM
27°F
10%
18mph
NNW
Mostly Cloudy
Humidity
79%
Feels like
14°F
Dew Point
21°F
12 PM
27°F
10%
17mph
NNW
Mostly Cloudy
Humidity
76%
Feels like
14°F
Dew Point
20°F
1 PM
27°F
0%
16mph
NNW
Mostly Cloudy
Humidity
75%
Feels like
14°F
Dew Point
20°F
2 PM
26°F
10%
15mph
NNW
Partly Cloudy
Humidity
74%
Feels like
14°F
Dew Point
19°F
3 PM
26°F
10%
14mph
NNW
Mostly Cloudy
Humidity
76%
Feels like
14°F
Dew Point
19°F
4 PM
25°F
10%
12mph
NW
Mostly Cloudy
Humidity
77%
Feels like
14°F
Dew Point
19°F
4:22 PM
5 PM
25°F
10%
11mph
NW
Mostly Cloudy
Humidity
77%
Feels like
15°F
Dew Point
19°F
6 PM
25°F
10%
10mph
NW
Cloudy
Humidity
78%
Feels like
15°F
Dew Point
19°F
7 PM
24°F
10%
10mph
NW
Mostly Cloudy
Humidity
80%
Feels like
14°F
Dew Point
19°F
8 PM
24°F
10%
9mph
NW
Mostly Cloudy
Humidity
83%
Feels like
14°F
Dew Point
19°F
9 PM
23°F
10%
9mph
NW
Mostly Cloudy
Humidity
85%
Feels like
13°F
Dew Point
19°F
10 PM
22°F
10%
9mph
NW
Mostly Cloudy
Humidity
87%
Feels like
12°F
Dew Point
19°F
11 PM
21°F
10%
9mph
NW
Mostly Cloudy
Humidity
87%
Feels like
11°F
Dew Point
18°F

Snow and ice forecast through Friday A.M.

Multiple Snow Threats Across the Northern U.S.

Multiple systems will bring snow across the Northern U.S. through the end of the week.

Rainfall Forecast for Northwest through Friday A.M.

Unrelenting Rains Soak the Northwest

Today's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

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

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide