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

35°F

2°C

Humidity 50%
Wind Speed SW 14 mph
Barometer 29.78 in (1010.4 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 26 Feb 1:53 pm CST
Extended Forecast for

2 Miles SSE Green Lake WI

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 36. Southwest wind around 10 mph.

    High: 36 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 25. Southwest wind around 10 mph.

    Low: 25 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 52. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 52 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 17. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 17 °F

    Partly Cloudy
    and Breezy
    then 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.

    High: 36 °F

    Becoming
    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 36. Southwest wind around 10 mph.
Tonight
Mostly clear, with a low around 25. Southwest wind around 10 mph.
Friday
Mostly sunny, with a high near 52. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Friday Night
Partly cloudy, with a low around 17. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 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.
Monday Night
Partly cloudy, 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.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Green Lake WI
 43.81°N 88.94°W (Elev. 850 ft)
Last Update:
1:37 pm CST Feb 26, 2026
Forecast Valid:
2pm CST Feb 26, 2026-6pm CST Mar 4, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation