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September 16th, 2025 :: 10:24 am CDT   

Local Weather Report for
Portage
Wisconsin, United States

 Portage Weather Forecast Summary  
 
Today
Sep 16th
Wednesday
Sep 17th
Thursday
Sep 18th
Friday
Sep 19th
Saturday
Sep 20th
Cloudy Mix of Cloud and Sun Mix of Sun and Cloud Cloudy Thundershowers
78°F
79°F
60°F
79°F
58°F
76°F
58°F
76°F
57°F
 
 Portage Detailed Weather Forecast  
 
Tuesday, September 16th, 2025
Afternoon Temperature: 74°F
Sunny. Slight chance of a thunderstorm.
Evening Temperature: 64°F
Clear with cloudy periods.
Wednesday, September 17th, 2025
Overnight Temperature: 61°F
A mix of cloudy and clear skies.
Morning Temperature: 75°F
Sunny with cloudy periods.
Afternoon Temperature: 74°F
A mix of cloud and sun. Slight chance of a thunderstorm.
Evening Temperature: 64°F
A mix of cloudy and clear skies.
Thursday, September 18th, 2025
Overnight Temperature: 60°F
Clear.
Morning Temperature: 74°F
Sunny with cloudy periods.
Afternoon Temperature: 74°F
A mix of sun and cloud.
Evening Temperature: 59°F
Clear.
Friday, September 19th, 2025
Overnight Temperature: 58°F
Cloudy.
Morning Temperature: 71°F
Cloudy. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 71°F
Cloudy with a chance of showers. Slight chance of a thunderstorm.
Evening Temperature: 63°F
Cloudy with a chance of showers.
Saturday, September 20th, 2025
Overnight Temperature: 58°F
Cloudy.
Morning Temperature: 70°F
Cloudy with a chance of showers or thundershowers. Windy at times.
Afternoon Temperature: 72°F
Cloudy with showers likely. Chance of a thunderstorm. Windy at times.
Evening Temperature: 64°F
Cloudy with a few showers. Windy at times.
Sunday, September 21st, 2025
Overnight Temperature: 64°F
Cloudy with a few showers. Windy at times.
Morning Temperature: 72°F
Cloudy with showers likely. Chance of a thunderstorm. Windy.
Afternoon Temperature: 78°F
Cloudy. Chance of a thunderstorm. Windy at times.
Evening Temperature: 68°F
A mix of clear and cloudy skies with a chance of showers. Slight chance of a thunderstorm. Windy at times.
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.
Afternoon Temperature: 68°F
Cloudy with showers likely. Chance of a thunderstorm. Windy at times.
Evening Temperature: 59°F
Clear with a chance of showers. Slight chance of a thunderstorm. Windy at times.
Tuesday, September 23rd, 2025
Overnight Temperature: 51°F
Clear.
Morning Temperature: 67°F
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 69°F
Sunny. Windy at times.
Evening Temperature: 66°F
Clear. Windy at times.
Wednesday, September 24th, 2025
Overnight Temperature: 59°F
Clear.
Morning Temperature: 71°F
Sunny. Windy at times.
Afternoon Temperature: 71°F
Sunny.
Evening Temperature: 60°F
Clear.





 

  [ Local Weather Report ]
Lodi, WI 
 
West Baraboo, WI 
8:55 AM  66°F
 
 
Baraboo, WI 
8:53 AM  66°F
Mostly Sunny
 
Leeds, WI 
8:53 AM  66°F
Mostly Sunny
 
Dane, WI 
8:55 AM  70°F
 
 
North Freedom, WI 
8:55 AM  66°F
 
 
Prairie Du Sac, WI 
 
Rock Springs, WI 
8:50 AM  68°F
Overcast
 
Sauk City, WI 
 
Windsor, WI 
8:53 AM  66°F
Mostly Sunny

This WeatherCity Weather Forecast for Portage, 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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