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

37°F

3°C

Humidity 79%
Wind Speed Calm
Barometer 29.96 in (1015.3 mb)
Dewpoint 31°F (-1°C)
Visibility 9.00 mi
Last update 14 Nov 7:53 am CST
Extended Forecast for

Winnebago WI

  • Today

    Today: Sunny, with a high near 58. Calm wind becoming south southeast 5 to 7 mph in the morning.

    High: 58 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a temperature rising to around 53 by 4am. South southeast wind 7 to 10 mph becoming southwest after midnight. Winds could gust as high as 21 mph.

    Low: 50 °F⇑

    Increasing
    Clouds

  • Saturday

    Saturday: Cloudy through mid morning, then gradual clearing, with a high near 59. Northwest wind 10 to 15 mph, with gusts as high as 24 mph.

    High: 59 °F

    Gradual
    Clearing

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 30. West northwest wind 11 to 14 mph, with gusts as high as 23 mph.

    Low: 30 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 44. West northwest wind 11 to 15 mph, with gusts as high as 25 mph.

    High: 44 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 41.

    High: 41 °F

    Sunny

  • Monday Night

    Monday Night: A 20 percent chance of snow. Partly cloudy, with a low around 25.

    Low: 25 °F

    Slight Chance
    Snow

  • Tuesday

    Tuesday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 58. Calm wind becoming south southeast 5 to 7 mph in the morning.
Tonight
Increasing clouds, with a temperature rising to around 53 by 4am. South southeast wind 7 to 10 mph becoming southwest after midnight. Winds could gust as high as 21 mph.
Saturday
Cloudy through mid morning, then gradual clearing, with a high near 59. Northwest wind 10 to 15 mph, with gusts as high as 24 mph.
Saturday Night
Mostly clear, with a low around 30. West northwest wind 11 to 14 mph, with gusts as high as 23 mph.
Sunday
Sunny, with a high near 44. West northwest wind 11 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 26.
Monday
Sunny, with a high near 41.
Monday Night
A 20 percent chance of snow. Partly cloudy, with a low around 25.
Tuesday
Mostly sunny, with a high near 40.
Tuesday Night
Partly cloudy, with a low around 25.
Wednesday
Mostly sunny, with a high near 43.
Wednesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 32.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 44.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Winnebago WI
 44.06°N 88.53°W (Elev. 758 ft)
Last Update:
8:12 am CST Nov 14, 2025
Forecast Valid:
8am CST Nov 14, 2025-6pm CST Nov 20, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation