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

58°F

14°C

Humidity 53%
Wind Speed SW 10 mph
Barometer 29.62 in (1002.9 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 9 Mar 10:53 am CDT
Extended Forecast for

2 Miles SSE Green Lake WI

  • Today

    Today: Mostly sunny, with a high near 66. West wind 10 to 15 mph becoming northwest in the afternoon.

    High: 66 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 34. Northeast wind 5 to 15 mph.

    Low: 34 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 44. Northeast wind around 15 mph.

    High: 44 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Rain showers likely before 4am, then rain or freezing rain likely. Patchy fog before 1am. Otherwise, cloudy, with a low around 31. Blustery, with a northeast wind around 20 mph. Chance of precipitation is 70%. Little or no ice accumulation expected.

    Low: 31 °F

    Rain/Freezing
    Rain Likely
    and Patchy
    Fog

  • Wednesday

    Wednesday: Rain showers, snow showers, and freezing rain likely, becoming all snow after 10am. Cloudy, with a high near 39. Breezy, with a north wind 15 to 20 mph. Chance of precipitation is 60%. Little or no ice accumulation expected. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Breezy.
    Wintry Mix
    Likely then
    Snow Showers
    Likely

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 22. Northwest wind 5 to 15 mph.

    Low: 22 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Increasing clouds, with a high near 43. West wind 5 to 15 mph becoming south in the afternoon.

    High: 43 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Rain and snow. Low around 31. Windy, with a south wind 15 to 25 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 31 °F

    Rain/Snow and
    Windy

  • Friday

    Friday: A 20 percent chance of snow before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 42. Breezy.

    High: 42 °F

    Slight Chance
    Snow and
    Breezy

Detailed Forecast

Today
Mostly sunny, with a high near 66. West wind 10 to 15 mph becoming northwest in the afternoon.
Tonight
Partly cloudy, with a low around 34. Northeast wind 5 to 15 mph.
Tuesday
Partly sunny, with a high near 44. Northeast wind around 15 mph.
Tuesday Night
Rain showers likely before 4am, then rain or freezing rain likely. Patchy fog before 1am. Otherwise, cloudy, with a low around 31. Blustery, with a northeast wind around 20 mph. Chance of precipitation is 70%. Little or no ice accumulation expected.
Wednesday
Rain showers, snow showers, and freezing rain likely, becoming all snow after 10am. Cloudy, with a high near 39. Breezy, with a north wind 15 to 20 mph. Chance of precipitation is 60%. Little or no ice accumulation expected. New snow accumulation of less than a half inch possible.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 22. Northwest wind 5 to 15 mph.
Thursday
Increasing clouds, with a high near 43. West wind 5 to 15 mph becoming south in the afternoon.
Thursday Night
Rain and snow. Low around 31. Windy, with a south wind 15 to 25 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
A 20 percent chance of snow before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 42. Breezy.
Friday Night
Mostly cloudy, with a low around 24.
Saturday
A 40 percent chance of snow. Partly sunny, with a high near 41.
Saturday Night
Snow likely. Cloudy, with a low around 27. Chance of precipitation is 60%.
Sunday
Snow likely. The snow could be heavy at times. Cloudy, with a high near 38. Breezy. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Green Lake WI
 43.81°N 88.94°W (Elev. 850 ft)
Last Update:
8:38 am CDT Mar 9, 2026
Forecast Valid:
11am CDT Mar 9, 2026-6pm CDT Mar 15, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation