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September 18th, 2025 :: 6:09 pm CDT   

Local Weather Report for
Grafton
Wisconsin, United States

 Current Grafton Weather Conditions Updated September 18th at 4:55 pm 
Temperature:77°F Dew Point:64°F
Barometer:30.06 inHg Wind:N 15 Mph
Humidity:65.1% Visibility:0M
 
 Grafton Weather Forecast Summary  
 
Today
Sep 18th
Friday
Sep 19th
Saturday
Sep 20th
Sunday
Sep 21st
Monday
Sep 22nd
Mix of Cloud and Sun Cloudy Showers Showers Showers
68°F
68°F
65°F
68°F
64°F
68°F
65°F
67°F
66°F
 
 Grafton Detailed Weather Forecast  
 
Thursday, September 18th, 2025
Evening Temperature: 66°F
A mix of cloudy and clear skies. Windy.
Friday, September 19th, 2025
Overnight Temperature: 66°F
A mix of cloudy and clear skies. Windy at times.
Morning Temperature: 66°F
A mix of cloud and sun. Windy.
Afternoon Temperature: 67°F
Cloudy. Windy at times.
Evening Temperature: 66°F
Cloudy. Wind 20 to 30 mph.
Saturday, September 20th, 2025
Overnight Temperature: 64°F
Cloudy with showers likely. Windy.
Morning Temperature: 65°F
Cloudy with a chance of showers. Windy.
Afternoon Temperature: 67°F
Cloudy with showers likely.
Evening Temperature: 68°F
Cloudy. Slight chance of a thunderstorm. Windy at times.
Sunday, September 21st, 2025
Overnight Temperature: 65°F
Cloudy with showers likely. Windy.
Morning Temperature: 67°F
Cloudy with a chance of showers. Slight chance of a thunderstorm. Windy.
Afternoon Temperature: 65°F
Cloudy with a few showers. Windy at times.
Evening Temperature: 67°F
Cloudy with showers likely. Windy at times.
Monday, September 22nd, 2025
Overnight Temperature: 66°F
Cloudy.
Morning Temperature: 67°F
Cloudy. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 67°F
Cloudy with showers likely. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 66°F
Cloudy with a few showers. Slight chance of a thunderstorm. Windy at times.
Tuesday, September 23rd, 2025
Overnight Temperature: 66°F
Cloudy.
Morning Temperature: 65°F
Cloudy with a few showers. Windy at times.
Afternoon Temperature: 65°F
A mix of cloud and sun with a chance of showers. Windy.
Evening Temperature: 65°F
Cloudy. Windy.
Wednesday, September 24th, 2025
Overnight Temperature: 63°F
Cloudy with showers likely. Wind 20 to 30 mph.
Morning Temperature: 64°F
Cloudy with a few showers. Windy.
Afternoon Temperature: 66°F
Cloudy with a chance of showers. Windy at times.
Evening Temperature: 65°F
Cloudy with showers. Wind 20 to 30 mph.
Thursday, September 25th, 2025
Overnight Temperature: 65°F
Cloudy with a chance of showers. Windy.
Morning Temperature: 63°F
Cloudy.
Afternoon Temperature: 65°F
A mix of cloud and sun.
Evening Temperature: 64°F
Cloudy with a slight chance of showers.
Friday, September 26th, 2025
Overnight Temperature: 63°F
Cloudy with a chance of showers.
Morning Temperature: 63°F
Mostly sunny with a chance of showers.
Afternoon Temperature: 66°F
Cloudy with a slight chance of showers.
Evening Temperature: 64°F
Clear with cloudy periods. Windy at times.





 

  [ Local Weather Report ]
Cedarburg, WI 
4:55 PM  77°F
 
 
Hamilton, WI 
4:45 PM  79°F
 
 
Saukville, WI 
4:55 PM  77°F
 
 
Thiensville, WI 
4:45 PM  79°F
 
 
Mequon, WI 
4:45 PM  79°F
 
 
Port Washington, WI 
 
Newburg, WI 
4:55 PM  77°F
 
 
Bayside, WI 
4:45 PM  79°F
 
 
Germantown, WI 
4:45 PM  79°F
 
 
River Hills, WI 
4:45 PM  79°F
 

This WeatherCity Weather Forecast for Grafton, 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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