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May 4th, 2026 :: 12:22 pm CDT   

Local Weather Report for
Janesville
Iowa, United States

 Janesville Weather Forecast Summary  
 
Today
May 4th
Tuesday
May 5th
Wednesday
May 6th
Thursday
May 7th
Friday
May 8th
Mostly Sunny Mix of Sun and Cloud Mostly Cloudy Mix of Cloud and Sun Mix of Sun and Cloud
73°F
56°F
43°F
53°F
40°F
64°F
39°F
63°F
43°F
 
 Janesville Detailed Weather Forecast  
 
Monday, May 4th, 2026
Afternoon Temperature: 72°F
A mix of cloud and sun. Slight chance of a thunderstorm. Windy.
Evening Temperature: 55°F
Clear. Windy.
Tuesday, May 5th, 2026
Overnight Temperature: 48°F
Clear with cloudy periods.
Morning Temperature: 48°F
Mostly sunny.
Afternoon Temperature: 56°F
A mix of cloud and sun. Windy at times.
Evening Temperature: 51°F
Mostly cloudy. Windy at times.
Wednesday, May 6th, 2026
Overnight Temperature: 42°F
A mix of cloudy and clear skies.
Morning Temperature: 43°F
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 52°F
Cloudy. Windy at times.
Evening Temperature: 47°F
Mostly cloudy.
Thursday, May 7th, 2026
Overnight Temperature: 40°F
Mostly clear.
Morning Temperature: 46°F
A mix of sun and cloud. Windy at times.
Afternoon Temperature: 62°F
Mostly cloudy. Windy at times.
Evening Temperature: 55°F
A mix of cloudy and clear skies. Slight chance of a thunderstorm. Windy at times.
Friday, May 8th, 2026
Overnight Temperature: 44°F
Clear with cloudy periods.
Morning Temperature: 49°F
A mix of cloud and sun.
Afternoon Temperature: 62°F
Sunny with cloudy periods. Windy at times.
Evening Temperature: 55°F
A mix of clear and cloudy skies.
Saturday, May 9th, 2026
Overnight Temperature: 50°F
A mix of cloudy and clear skies.
Morning Temperature: 54°F
Sunny.
Afternoon Temperature: 67°F
Mostly sunny.
Evening Temperature: 60°F
Mostly clear.
Sunday, May 10th, 2026
Overnight Temperature: 54°F
A mix of clear and cloudy skies.
Morning Temperature: 55°F
Cloudy with a chance of showers.
Afternoon Temperature: 57°F
Mostly cloudy with showers likely.
Evening Temperature: 55°F
Clear with cloudy periods with a slight chance of showers.
Monday, May 11th, 2026
Overnight Temperature: 48°F
Mostly clear.
Morning Temperature: 55°F
Mostly sunny.
Afternoon Temperature: 70°F
A mix of sun and cloud. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 61°F
Clear with cloudy periods with a chance of showers. Slight chance of a thunderstorm. Windy at times.
Tuesday, May 12th, 2026
Overnight Temperature: 56°F
Cloudy with showers likely.
Morning Temperature: 58°F
A mix of cloud and sun with a chance of showers. Windy at times.
Afternoon Temperature: 71°F
Mostly sunny. Windy at times.
Evening Temperature: 65°F
A mix of clear and cloudy skies.





 

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This WeatherCity Weather Forecast for Janesville, Iowa, 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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