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January 31st, 2026 :: 10:58 am CST   

Local Weather Report for
Janesville
Wisconsin, United States

 Current Janesville Weather Conditions Updated January 31st at 9:45 am 
light snow
Temperature:16°F Dew Point:10°F
Barometer:30.48 inHg Wind:N 21 Mph
Humidity:77.8% Visibility:0M
 
 Janesville Weather Forecast Summary  
 
Today
Jan 31st
Sunday
Feb 1st
Monday
Feb 2nd
Tuesday
Feb 3rd
Wednesday
Feb 4th
Mostly Sunny Cloudy Cloudy Mostly Sunny Cloudy
21°F
26°F
6°F
25°F
14°F
21°F
8°F
23°F
6°F
 
 Janesville Detailed Weather Forecast  
 
Saturday, January 31st, 2026
Morning Temperature: 16°F
Sunny with cloudy periods. Windy at times.
Afternoon Temperature: 11°F
Sunny.
Evening Temperature: 7°F
Clear with cloudy periods.
Sunday, February 1st, 2026
Overnight Temperature: 7°F
A mix of clear and cloudy skies.
Morning Temperature: 21°F
Cloudy. Windy at times.
Afternoon Temperature: 20°F
A mix of cloud and sun. Windy at times.
Evening Temperature: 20°F
Cloudy with clear periods with a slight chance of flurries. Windy at times.
Monday, February 2nd, 2026
Overnight Temperature: 19°F
A mix of cloudy and clear skies with a slight chance of flurries.
Morning Temperature: 22°F
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 16°F
Cloudy.
Evening Temperature: 14°F
Cloudy.
Tuesday, February 3rd, 2026
Overnight Temperature: 11°F
Clear with cloudy periods.
Morning Temperature: 17°F
Sunny with cloudy periods. Windy at times.
Afternoon Temperature: 12°F
Sunny.
Evening Temperature: 8°F
Clear.
Wednesday, February 4th, 2026
Overnight Temperature: 6°F
Clear with cloudy periods.
Morning Temperature: 17°F
A mix of cloud and sun.
Afternoon Temperature: 14°F
Sunny.
Evening Temperature: 12°F
Cloudy.
Thursday, February 5th, 2026
Overnight Temperature: 13°F
Cloudy.
Morning Temperature: 26°F
Cloudy. Windy at times.
Afternoon Temperature: 26°F
Sunny with cloudy periods.
Evening Temperature: 29°F
Cloudy. Windy at times.
Friday, February 6th, 2026
Overnight Temperature: 27°F
Cloudy. Windy at times.
Morning Temperature: 28°F
Cloudy. Windy.
Afternoon Temperature: 20°F
A mix of cloud and sun. Windy at times.
Evening Temperature: 12°F
Clear. Windy at times.
Saturday, February 7th, 2026
Overnight Temperature: 6°F
Clear.
Morning Temperature: 12°F
Cloudy.
Afternoon Temperature: 15°F
Cloudy.
Evening Temperature: 15°F
Cloudy.
Sunday, February 8th, 2026
Overnight Temperature: 15°F
Cloudy with a chance of flurries.
Morning Temperature: 21°F
Cloudy with a slight chance of flurries.
Afternoon Temperature: 21°F
Cloudy.
Evening Temperature: 20°F
Cloudy with a chance of flurries.





 

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This WeatherCity Weather Forecast for Janesville, Wisconsin, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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