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.

Mostly Cloudy

41°F

5°C

Humidity 73%
Wind Speed W 20 G 29 mph
Barometer 29.64 in (1003.3 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 18 Apr 4:53 am CDT
Extended Forecast for

2 Miles SE Green Lake WI

  • Today

    Today: Mostly sunny, with a high near 46. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 46 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 30. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 30 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Sunday

    Sunday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 46. Northwest wind 10 to 15 mph.

    High: 46 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 27. Northwest wind 5 to 10 mph becoming light and variable after midnight.

    Low: 27 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 52. South wind 5 to 10 mph.

    High: 52 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 41. South wind 10 to 15 mph.

    Low: 41 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 68. Southwest wind around 10 mph becoming west in the afternoon.

    High: 68 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 39. Northeast wind around 5 mph.

    Low: 39 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 46. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 30. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph.
Sunday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 46. Northwest wind 10 to 15 mph.
Sunday Night
Mostly clear, with a low around 27. Northwest wind 5 to 10 mph becoming light and variable after midnight.
Monday
Sunny, with a high near 52. South wind 5 to 10 mph.
Monday Night
Mostly cloudy, with a low around 41. South wind 10 to 15 mph.
Tuesday
Sunny, with a high near 68. Southwest wind around 10 mph becoming west in the afternoon.
Tuesday Night
Mostly clear, with a low around 39. Northeast wind around 5 mph.
Wednesday
Sunny, with a high near 68.
Wednesday Night
Mostly clear, with a low around 49.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 76.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.
Friday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 68.
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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:
5:32 am CDT Apr 18, 2026
Forecast Valid:
5am CDT Apr 18, 2026-6pm CDT Apr 24, 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