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

35°F

2°C

Humidity 89%
Wind Speed E 5 mph
Barometer 29.93 in (1013.9 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 21 Mar 3:53 am CDT
Extended Forecast for

2 Miles SSE Green Lake WI

  • Today

    Today: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 68. Southeast wind 5 to 15 mph becoming southwest in the afternoon.

    High: 68 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: A 30 percent chance of rain, mainly after 4am. Mostly cloudy, with a low around 37. West wind 5 to 10 mph becoming northeast after midnight.

    Low: 37 °F

    Partly Cloudy
    then Chance
    Rain

  • Sunday

    Sunday: A slight chance of rain, mixing with snow after 11am, then gradually ending. Mostly cloudy, with a high near 41. North wind around 15 mph. Chance of precipitation is 20%.

    High: 41 °F

    Slight Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 23. North wind 5 to 10 mph.

    Low: 23 °F

    Partly Cloudy

  • Monday

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

    High: 44 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 29. South wind 5 to 10 mph.

    Low: 29 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 54. South wind 10 to 15 mph.

    High: 54 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32. East wind around 10 mph.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 49.

    High: 49 °F

    Mostly Cloudy

Detailed Forecast

Today
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 68. Southeast wind 5 to 15 mph becoming southwest in the afternoon.
Tonight
A 30 percent chance of rain, mainly after 4am. Mostly cloudy, with a low around 37. West wind 5 to 10 mph becoming northeast after midnight.
Sunday
A slight chance of rain, mixing with snow after 11am, then gradually ending. Mostly cloudy, with a high near 41. North wind around 15 mph. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 23. North wind 5 to 10 mph.
Monday
Sunny, with a high near 44. Northwest wind around 5 mph.
Monday Night
Increasing clouds, with a low around 29. South wind 5 to 10 mph.
Tuesday
Mostly cloudy, with a high near 54. South wind 10 to 15 mph.
Tuesday Night
Mostly cloudy, with a low around 32. East wind around 10 mph.
Wednesday
Mostly cloudy, with a high near 49.
Wednesday Night
A slight chance of rain and snow before 1am, then a slight chance of rain. Mostly cloudy, with a low around 38. Chance of precipitation is 20%.
Thursday
A 30 percent chance of rain. Mostly cloudy, with a high near 54.
Thursday Night
Mostly cloudy, with a low around 26.
Friday
Mostly sunny, with a high near 42.
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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:
3:52 am CDT Mar 21, 2026
Forecast Valid:
4am CDT Mar 21, 2026-6pm CDT Mar 27, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation