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.

Fair

44°F

7°C

Humidity 83%
Wind Speed W 5 mph
Barometer 29.92 in (1013.9 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 20 Mar 9:53 pm CDT
Extended Forecast for

2 Miles SE Green Lake WI

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 34. Calm wind becoming southeast around 5 mph after midnight.

    Low: 34 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, partly sunny, with a high near 60. South wind 5 to 15 mph.

    High: 60 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 40. Southwest wind 5 to 10 mph becoming north after midnight.

    Low: 40 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of rain before 1pm. Mostly cloudy, with a high near 41. North wind around 15 mph.

    High: 41 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 24. North wind 5 to 15 mph.

    Low: 24 °F

    Decreasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 44. Northwest wind around 5 mph.

    High: 44 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 31. South wind 5 to 10 mph.

    Low: 31 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 53. South wind 10 to 15 mph becoming west in the afternoon.

    High: 53 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 34. Calm wind becoming southeast around 5 mph after midnight.
Saturday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 60. South wind 5 to 15 mph.
Saturday Night
Mostly cloudy, with a low around 40. Southwest wind 5 to 10 mph becoming north after midnight.
Sunday
A 20 percent chance of rain before 1pm. Mostly cloudy, with a high near 41. North wind around 15 mph.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 24. North wind 5 to 15 mph.
Monday
Mostly sunny, with a high near 44. Northwest wind around 5 mph.
Monday Night
Increasing clouds, with a low around 31. South wind 5 to 10 mph.
Tuesday
Mostly cloudy, with a high near 53. South wind 10 to 15 mph becoming west in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
Mostly cloudy, with a high near 47.
Wednesday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 35. Chance of precipitation is 20%.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 56. Chance of precipitation is 40%.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 24.
Friday
Partly sunny, with a high near 40.
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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:
9:34 pm CDT Mar 20, 2026
Forecast Valid:
10pm CDT Mar 20, 2026-6pm CDT Mar 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation