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

Hazardous Weather Conditions

Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Fog/Mist

36°F

2°C

Humidity 100%
Wind Speed Calm
Barometer 30.05 in (1018.7 mb)
Dewpoint 36°F (2°C)
Visibility 1.00 mi
Last update 5 Mar 9:53 pm CST
Extended Forecast for

2 Miles SSE Green Lake WI

  • Tonight

    Tonight: Patchy fog. Otherwise, cloudy, with a low around 38. Southeast wind 5 to 10 mph.

    Low: 38 °F

    Patchy Fog

  • Friday

    Friday: Rain and possibly a thunderstorm, mainly before 3pm, then a chance of rain and thunderstorms after 3pm. Patchy fog before noon. High near 61. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 61 °F

    Rain and
    Patchy Fog

  • Friday Night

    Friday Night: Rain and thunderstorms. Low around 48. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 48 °F

    Rain and
    Breezy

  • Saturday

    Saturday: A 20 percent chance of rain before 9am. Mostly cloudy, with a temperature falling to around 43 by 5pm. Windy, with a west wind 20 to 25 mph decreasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 49 °F⇓

    Slight Chance
    Rain and
    Windy then
    Partly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 33. West wind 10 to 15 mph becoming southwest after midnight.

    Low: 33 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 60. Breezy, with a southwest wind around 20 mph, with gusts as high as 30 mph.

    High: 60 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 45. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 25 mph.

    Low: 45 °F

    Partly Cloudy
    and Breezy

  • Monday

    Monday: Sunny, with a high near 64. Southwest wind 10 to 15 mph becoming northwest in the afternoon.

    High: 64 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog. Otherwise, cloudy, with a low around 38. Southeast wind 5 to 10 mph.
Friday
Rain and possibly a thunderstorm, mainly before 3pm, then a chance of rain and thunderstorms after 3pm. Patchy fog before noon. High near 61. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Rain and thunderstorms. Low around 48. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A 20 percent chance of rain before 9am. Mostly cloudy, with a temperature falling to around 43 by 5pm. Windy, with a west wind 20 to 25 mph decreasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Saturday Night
Mostly clear, with a low around 33. West wind 10 to 15 mph becoming southwest after midnight.
Sunday
Sunny, with a high near 60. Breezy, with a southwest wind around 20 mph, with gusts as high as 30 mph.
Sunday Night
Partly cloudy, with a low around 45. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 64. Southwest wind 10 to 15 mph becoming northwest in the afternoon.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
A 50 percent chance of rain, mainly after noon. Partly sunny, with a high near 60.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 34. Chance of precipitation is 60%.
Wednesday
A chance of rain and snow. Partly sunny, with a high near 48. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 24.
Thursday
Sunny, with a high near 45.
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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:
8:31 pm CST Mar 5, 2026
Forecast Valid:
10pm CST Mar 5, 2026-6pm CDT Mar 12, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation