National Weather Service Forecast for: Oshkosh WI
Issued by: National Weather Service Green Bay, WI
Updated: 10:21 pm CST Dec 16, 2025
 
Tonight

Tonight: Mostly cloudy, with a low around 21. West northwest wind 13 to 16 mph, with gusts as high as 24 mph.
Mostly Cloudy

 Wednesday

Wednesday: Sunny, with a steady temperature around 26. West northwest wind 7 to 13 mph becoming south in the afternoon. Winds could gust as high as 20 mph.
Sunny

 Wednesday
Night
Wednesday Night: A chance of rain or freezing rain after midnight. Mostly cloudy, with a temperature rising to around 33 by midnight. South wind 10 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Mostly Cloudy
then Chance
Rain/Freezing
Rain
 Thursday

Thursday: Rain, possibly mixed with snow before 3pm, then a chance of snow. High near 37. South southwest wind 13 to 17 mph becoming west in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Rain/Snow
then Chance
Rain/Snow
 Thursday
Night
Thursday Night: A 40 percent chance of snow before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 10. Northwest wind 17 to 20 mph, with gusts as high as 26 mph.
Chance Snow
then Mostly
Cloudy
 Friday

Friday: Increasing clouds, with a high near 22.
Increasing
Clouds

 Friday
Night
Friday Night: A 30 percent chance of snow. Mostly cloudy, with a low around 15.
Chance Snow

 Saturday

Saturday: A 20 percent chance of snow before noon. Partly sunny, with a high near 31.
Slight Chance
Snow then
Mostly Sunny
 Saturday
Night
Saturday Night: Partly cloudy, with a low around 7.
Partly Cloudy
Lo 21 °F Hi 26 °F Lo 27 °F⇑ Hi 37 °F Lo 10 °F Hi 22 °F Lo 15 °F Hi 31 °F Lo 7 °F

 

Tonight
 
 Mostly cloudy, with a low around 21. West northwest wind 13 to 16 mph, with gusts as high as 24 mph.
Wednesday
 
 Sunny, with a steady temperature around 26. West northwest wind 7 to 13 mph becoming south in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
 
 A chance of rain or freezing rain after midnight. Mostly cloudy, with a temperature rising to around 33 by midnight. South wind 10 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
 
 Rain, possibly mixed with snow before 3pm, then a chance of snow. High near 37. South southwest wind 13 to 17 mph becoming west in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Thursday Night
 
 A 40 percent chance of snow before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 10. Northwest wind 17 to 20 mph, with gusts as high as 26 mph.
Friday
 
 Increasing clouds, with a high near 22.
Friday Night
 
 A 30 percent chance of snow. Mostly cloudy, with a low around 15.
Saturday
 
 A 20 percent chance of snow before noon. Partly sunny, with a high near 31.
Saturday Night
 
 Partly cloudy, with a low around 7.
Sunday
 
 Mostly sunny, with a high near 17.
Sunday Night
 
 Partly cloudy, with a low around 9.
Monday
 
 Partly sunny, with a high near 29.
Monday Night
 
 A 20 percent chance of snow. Mostly cloudy, with a low around 21.
Tuesday
 
 Partly sunny, with a high near 31.

 

Forecast from NOAA-NWS for Oshkosh WI.