National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Overcast

30°F

-1°C

Humidity 72%
Wind Speed S 16 mph
Barometer 30.32 in (1028.1 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 24 Mar 1:53 am CDT
Extended Forecast for

3 Miles SE Green Lake WI

  • Overnight

    Overnight: A chance of flurries before 3am. Mostly cloudy, with a low around 30. South wind around 10 mph.

    Low: 30 °F

    Chance
    Flurries

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 50. South wind 5 to 15 mph.

    High: 50 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34. South wind 5 to 10 mph.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 60. South wind around 10 mph.

    High: 60 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 44. Southwest wind around 10 mph.

    Low: 44 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of rain, mainly before 1pm. Mostly cloudy, with a high near 61. Southwest wind 10 to 15 mph becoming north in the afternoon.

    High: 61 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 24. Blustery, with a north wind 15 to 20 mph.

    Low: 24 °F

    Mostly Cloudy
    and Blustery

  • Friday

    Friday: Mostly sunny, with a high near 43. North wind around 10 mph.

    High: 43 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

Detailed Forecast

Overnight
A chance of flurries before 3am. Mostly cloudy, with a low around 30. South wind around 10 mph.
Tuesday
Mostly cloudy, with a high near 50. South wind 5 to 15 mph.
Tuesday Night
Mostly cloudy, with a low around 34. South wind 5 to 10 mph.
Wednesday
Partly sunny, with a high near 60. South wind around 10 mph.
Wednesday Night
Mostly cloudy, with a low around 44. Southwest wind around 10 mph.
Thursday
A 30 percent chance of rain, mainly before 1pm. Mostly cloudy, with a high near 61. Southwest wind 10 to 15 mph becoming north in the afternoon.
Thursday Night
Mostly cloudy, with a low around 24. Blustery, with a north wind 15 to 20 mph.
Friday
Mostly sunny, with a high near 43. North wind around 10 mph.
Friday Night
Mostly clear, with a low around 25.
Saturday
Sunny, with a high near 52.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
Partly sunny, with a high near 57.
Sunday Night
Partly cloudy, with a low around 37.
Monday
Sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Green Lake WI
 43.81°N 88.94°W (Elev. 850 ft)
Last Update:
1:21 am CDT Mar 24, 2026
Forecast Valid:
2am CDT Mar 24, 2026-6pm CDT Mar 30, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation