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September 16th, 2025 :: 3:23 pm CDT   

Local Weather Report for
Janesville
Wisconsin, United States

 Current Janesville Weather Conditions Updated September 16th at 1:45 pm 
Overcast
Temperature:84°F Dew Point:57°F
Barometer:30.21 inHg Wind: 11 Mph
Humidity:39.9% Visibility:0M
 
 Janesville Weather Forecast Summary  
 
Today
Sep 16th
Wednesday
Sep 17th
Thursday
Sep 18th
Friday
Sep 19th
Saturday
Sep 20th
Mix of Cloud and Sun Cloudy Cloudy Cloudy Thundershowers
79°F
80°F
59°F
82°F
59°F
79°F
60°F
79°F
59°F
 
 Janesville Detailed Weather Forecast  
 
Tuesday, September 16th, 2025
Afternoon Temperature: 74°F
Sunny.
Evening Temperature: 63°F
A mix of cloudy and clear skies.
Wednesday, September 17th, 2025
Overnight Temperature: 59°F
A mix of cloudy and clear skies.
Morning Temperature: 75°F
Sunny with cloudy periods.
Afternoon Temperature: 75°F
Sunny with cloudy periods.
Evening Temperature: 63°F
Cloudy.
Thursday, September 18th, 2025
Overnight Temperature: 60°F
Clear.
Morning Temperature: 75°F
A mix of cloud and sun.
Afternoon Temperature: 77°F
Cloudy. Chance of a thunderstorm.
Evening Temperature: 62°F
Clear. Windy at times.
Friday, September 19th, 2025
Overnight Temperature: 62°F
Cloudy.
Morning Temperature: 73°F
Cloudy. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 68°F
Cloudy with a chance of showers. Windy at times.
Evening Temperature: 61°F
Cloudy.
Saturday, September 20th, 2025
Overnight Temperature: 60°F
Cloudy.
Morning Temperature: 72°F
Cloudy. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 76°F
Cloudy with a slight chance of showers or thundershowers. Windy at times.
Evening Temperature: 66°F
Cloudy with showers likely. Windy at times.
Sunday, September 21st, 2025
Overnight Temperature: 64°F
Cloudy with a few showers. Windy at times.
Morning Temperature: 75°F
Cloudy with a chance of showers or thundershowers. Windy.
Afternoon Temperature: 78°F
Cloudy. Chance of a thunderstorm. Windy at times.
Evening Temperature: 70°F
A mix of clear and cloudy skies. Slight chance of a thunderstorm.
Monday, September 22nd, 2025
Overnight Temperature: 64°F
Cloudy with a chance of showers. Windy at times.
Morning Temperature: 67°F
Cloudy with showers likely. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 67°F
Cloudy with showers likely. Chance of a thunderstorm. Windy at times.
Evening Temperature: 61°F
Clear with cloudy periods with a chance of showers or thundershowers.
Tuesday, September 23rd, 2025
Overnight Temperature: 52°F
Clear.
Morning Temperature: 69°F
Cloudy. Windy at times.
Afternoon Temperature: 71°F
Sunny. Windy at times.
Evening Temperature: 65°F
Clear. Windy at times.
Wednesday, September 24th, 2025
Overnight Temperature: 61°F
Clear.
Morning Temperature: 75°F
Sunny.
Afternoon Temperature: 74°F
Sunny.
Evening Temperature: 62°F
Clear.





 

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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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