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.

Fair

33°F

1°C

Humidity 72%
Wind Speed Calm
Barometer 29.80 in (1010.5 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 26 Feb 9:53 pm CST
Extended Forecast for

2 Miles SE Green Lake WI

  • Tonight

    Tonight: Partly cloudy, with a low around 24. Southwest wind around 10 mph.

    Low: 24 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 51. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 51 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 17. Northwest wind 10 to 15 mph.

    Low: 17 °F

    Partly Cloudy

  • Saturday

    Saturday: A 40 percent chance of snow. Mostly cloudy, with a high near 23. Northwest wind 10 to 15 mph.

    High: 23 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Mostly cloudy during the early evening, then gradual clearing, with a low around 7. Northwest wind around 10 mph.

    Low: 7 °F

    Gradual
    Clearing

  • Sunday

    Sunday: Increasing clouds, with a high near 25. North wind 5 to 10 mph.

    High: 25 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 11. North wind around 5 mph becoming southeast after midnight.

    Low: 11 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny through mid morning, then becoming sunny, with a high near 36. Southeast wind 5 to 10 mph becoming south in the afternoon.

    High: 36 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 20.

    Low: 20 °F

    Increasing
    Clouds

Detailed Forecast

Tonight
Partly cloudy, with a low around 24. Southwest wind around 10 mph.
Friday
Mostly sunny, with a high near 51. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Friday Night
Partly cloudy, with a low around 17. Northwest wind 10 to 15 mph.
Saturday
A 40 percent chance of snow. Mostly cloudy, with a high near 23. Northwest wind 10 to 15 mph.
Saturday Night
Mostly cloudy during the early evening, then gradual clearing, with a low around 7. Northwest wind around 10 mph.
Sunday
Increasing clouds, with a high near 25. North wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 11. North wind around 5 mph becoming southeast after midnight.
Monday
Partly sunny through mid morning, then becoming sunny, with a high near 36. Southeast wind 5 to 10 mph becoming south in the afternoon.
Monday Night
Increasing clouds, with a low around 20.
Tuesday
A 20 percent chance of snow. Mostly cloudy, with a high near 41.
Tuesday Night
Partly cloudy, with a low around 24.
Wednesday
A 30 percent chance of rain. Mostly cloudy, with a high near 46.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 31. Chance of precipitation is 60%.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Green Lake WI
 43.81°N 88.94°W (Elev. 850 ft)
Last Update:
10:31 pm CST Feb 26, 2026
Forecast Valid:
10pm CST Feb 26, 2026-6pm CST Mar 5, 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