National Weather Service Forecast for: Oshkosh WI
Issued by: National Weather Service Green Bay, WI
Updated: 1:21 am CDT Apr 6, 2026
 
Overnight

Overnight: Mostly cloudy, with a steady temperature around 38. West northwest wind around 8 mph.
Mostly Cloudy

 Monday

Monday: A chance of rain and snow showers before 1pm, then a chance of rain showers between 1pm and 2pm, then a chance of snow showers after 2pm. Mostly cloudy, with a high near 41. West northwest wind 10 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.
Partly Sunny
then Chance
Rain/Snow
 Monday
Night
Monday Night: A chance of snow showers before 11pm, then a chance of flurries between 11pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 21. North wind 9 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Chance Snow
Showers then
Mostly Clear
 Tuesday

Tuesday: Sunny, with a high near 38. North wind 5 to 7 mph becoming calm.
Sunny

 Tuesday
Night
Tuesday Night: A chance of snow showers after 1am, mixing with rain after 4am. Increasing clouds, with a low around 27. South southeast wind 6 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Partly Cloudy
then Chance
Rain/Snow
 Wednesday

Wednesday: A chance of rain and snow showers before 10am, then a chance of rain showers. Mostly cloudy, with a high near 56. Chance of precipitation is 40%.
Chance
Rain/Snow
then Chance
Showers
 Wednesday
Night
Wednesday Night: Showers before 10pm, then showers and possibly a thunderstorm between 10pm and 1am, then showers likely after 1am. Low around 46. Chance of precipitation is 80%.
Showers

 Thursday

Thursday: A 30 percent chance of rain. Mostly sunny, with a high near 58.
Chance Rain

 Thursday
Night
Thursday Night: A 30 percent chance of rain. Partly cloudy, with a low around 36.
Chance Rain
Lo 38 °F Hi 41 °F Lo 21 °F Hi 38 °F Lo 27 °F Hi 56 °F Lo 46 °F Hi 58 °F Lo 36 °F

Hazardous Weather Outlook
 

Overnight
 
 Mostly cloudy, with a steady temperature around 38. West northwest wind around 8 mph.
Monday
 
 A chance of rain and snow showers before 1pm, then a chance of rain showers between 1pm and 2pm, then a chance of snow showers after 2pm. Mostly cloudy, with a high near 41. West northwest wind 10 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.
Monday Night
 
 A chance of snow showers before 11pm, then a chance of flurries between 11pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 21. North wind 9 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Tuesday
 
 Sunny, with a high near 38. North wind 5 to 7 mph becoming calm.
Tuesday Night
 
 A chance of snow showers after 1am, mixing with rain after 4am. Increasing clouds, with a low around 27. South southeast wind 6 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Wednesday
 
 A chance of rain and snow showers before 10am, then a chance of rain showers. Mostly cloudy, with a high near 56. Chance of precipitation is 40%.
Wednesday Night
 
 Showers before 10pm, then showers and possibly a thunderstorm between 10pm and 1am, then showers likely after 1am. Low around 46. Chance of precipitation is 80%.
Thursday
 
 A 30 percent chance of rain. Mostly sunny, with a high near 58.
Thursday Night
 
 A 30 percent chance of rain. Partly cloudy, with a low around 36.
Friday
 
 A 20 percent chance of rain. Mostly sunny, with a high near 51.
Friday Night
 
 A 20 percent chance of rain. Partly cloudy, with a low around 35.
Saturday
 
 A 20 percent chance of rain. Mostly sunny, with a high near 52.
Saturday Night
 
 Rain likely. Mostly cloudy, with a low around 44. Chance of precipitation is 60%.
Sunday
 
 Rain likely. Mostly cloudy, with a high near 66. Chance of precipitation is 70%.

 

Forecast from NOAA-NWS for Oshkosh WI.