National Weather Service Forecast for: Fond du Lac WI
Issued by: National Weather Service Milwaukee, WI
Updated: 8:32 am CDT May 26, 2026
 
Today

Today: Sunny, with a high near 88. Southwest wind around 10 mph.
Sunny

 Tonight

Tonight: A 30 percent chance of showers and thunderstorms, mainly between midnight and 1am. Mostly cloudy, with a low around 60. West wind around 5 mph becoming calm in the evening.
Chance
Showers then
Chance
T-storms
 Wednesday

Wednesday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 83. Northeast wind 5 to 10 mph.
Mostly Sunny
then Slight
Chance
Showers
 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 51. Northeast wind 10 to 15 mph.
Mostly Clear

 Thursday

Thursday: Sunny, with a high near 74. East wind 5 to 10 mph.
Sunny

 Thursday
Night
Thursday Night: Mostly clear, with a low around 49. East wind around 5 mph becoming calm in the evening.
Mostly Clear

 Friday

Friday: Sunny, with a high near 81. Calm wind becoming north around 5 mph in the afternoon.
Sunny

 Friday
Night
Friday Night: Mostly clear, with a low around 54. East wind around 5 mph.
Mostly Clear

 Saturday

Saturday: Sunny, with a high near 76.
Sunny
Hi 88 °F Lo 60 °F Hi 83 °F Lo 51 °F Hi 74 °F Lo 49 °F Hi 81 °F Lo 54 °F Hi 76 °F

Hazardous Weather Outlook
 

Today
 
 Sunny, with a high near 88. Southwest wind around 10 mph.
Tonight
 
 A 30 percent chance of showers and thunderstorms, mainly between midnight and 1am. Mostly cloudy, with a low around 60. West wind around 5 mph becoming calm in the evening.
Wednesday
 
 A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 83. Northeast wind 5 to 10 mph.
Wednesday Night
 
 Mostly clear, with a low around 51. Northeast wind 10 to 15 mph.
Thursday
 
 Sunny, with a high near 74. East wind 5 to 10 mph.
Thursday Night
 
 Mostly clear, with a low around 49. East wind around 5 mph becoming calm in the evening.
Friday
 
 Sunny, with a high near 81. Calm wind becoming north around 5 mph in the afternoon.
Friday Night
 
 Mostly clear, with a low around 54. East wind around 5 mph.
Saturday
 
 Sunny, with a high near 76.
Saturday Night
 
 Mostly clear, with a low around 51.
Sunday
 
 Sunny, with a high near 77.
Sunday Night
 
 Mostly clear, with a low around 53.
Monday
 
 Sunny, with a high near 79.

 

Forecast from NOAA-NWS for Fond du Lac WI.