Hourly Weather Forecast - Janesville, WI

12 AM
36°F
10%
6mph
W
Mostly Cloudy
Humidity
98%
Feels like
31°F
Dew Point
35°F
1 AM
34°F
10%
6mph
W
Mostly Cloudy
Humidity
97%
Feels like
29°F
Dew Point
34°F
2 AM
33°F
10%
5mph
WNW
Mostly Cloudy
Humidity
97%
Feels like
28°F
Dew Point
32°F
3 AM
33°F
10%
5mph
WNW
Mostly Cloudy
Humidity
97%
Feels like
28°F
Dew Point
32°F
4 AM
32°F
10%
5mph
W
Partly Cloudy
Humidity
97%
Feels like
27°F
Dew Point
31°F
5 AM
32°F
10%
5mph
W
Partly Cloudy
Humidity
96%
Feels like
27°F
Dew Point
31°F
6 AM
32°F
10%
4mph
W
Hazy
Humidity
96%
Feels like
28°F
Dew Point
31°F
7 AM
33°F
10%
5mph
WSW
Hazy
Humidity
94%
Feels like
28°F
Dew Point
32°F
7:26 AM
8 AM
35°F
10%
5mph
WSW
Hazy
Humidity
91%
Feels like
30°F
Dew Point
32°F
9 AM
36°F
10%
6mph
WSW
Mostly Sunny
Humidity
88%
Feels like
31°F
Dew Point
33°F
10 AM
38°F
0%
6mph
WSW
Mostly Sunny
Humidity
83%
Feels like
33°F
Dew Point
33°F
11 AM
40°F
0%
6mph
SW
Partly Cloudy
Humidity
79%
Feels like
36°F
Dew Point
34°F
12 PM
42°F
0%
7mph
SW
Mostly Cloudy
Humidity
75%
Feels like
38°F
Dew Point
35°F
1 PM
44°F
0%
7mph
SW
Mostly Cloudy
Humidity
73%
Feels like
40°F
Dew Point
36°F
2 PM
44°F
0%
7mph
SSW
Partly Cloudy
Humidity
73%
Feels like
40°F
Dew Point
36°F
3 PM
44°F
0%
7mph
SSW
Partly Cloudy
Humidity
76%
Feels like
40°F
Dew Point
37°F
4 PM
42°F
0%
7mph
SSW
Partly Cloudy
Humidity
80%
Feels like
38°F
Dew Point
37°F

Rain and Snow Totals Through Friday

2026 Opens with Heavy Rain, Mountain Snow in the West

Significant rain and heavy mountain snow will continue to batter California and the rest of the West for the first few days of 2026.

Friday's Weather Outlook

Extended Weekend Weather Outlook

St. Louis Tornado - May 16th, 2025

2025 Year in Review: Billion-Dollar Disasters From May through June

EF3 tornado damage near Plantersville, Alabama

2025 Year in Review: Billion-Dollar Disasters From February Through April

Photos and videos from the Palisades Fire that started in the City of Los Angeles, January 8, 2025. (CAL FIRE_Official via Wikimedia Commons)

2025 Year in Review: Billion Dollar Disasters - The California Wildfires

Large wall of dust approaching Phoenix Sky Harbor Airport at around 5:30 PM MST (Photo credit: Mike Olbinski via NWS)

2025 Year in Review: Extreme Weather - July Through December

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide