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.

Overcast

18°F

-8°C

Humidity 88%
Wind Speed W 7 mph
Barometer 29.87 in (1013.8 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill9°F (-13°C)
Last update 31 Dec 1:53 am CST
Extended Forecast for

Oshkosh, Wittman Regional Airport WI

  • Overnight

    Overnight: Cloudy, with a low around 16. West northwest wind 7 to 9 mph.

    Low: 16 °F

    Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of snow, mainly before 1pm. Cloudy, with a high near 22. West northwest wind 9 to 14 mph, with gusts as high as 24 mph.

    High: 22 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 1. West northwest wind 9 to 13 mph, with gusts as high as 22 mph.

    Low: 1 °F

    Mostly Clear

  • New Year's Day

    New Year's Day: A 20 percent chance of snow after 1pm. Partly sunny, with a high near 13. West wind 7 to 10 mph.

    High: 13 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 6. West wind around 7 mph.

    Low: 6 °F

    Decreasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 17.

    High: 17 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 6.

    Low: 6 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 20.

    High: 20 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 8.

    Low: 8 °F

    Partly Cloudy

Detailed Forecast

Overnight
Cloudy, with a low around 16. West northwest wind 7 to 9 mph.
Wednesday
A 40 percent chance of snow, mainly before 1pm. Cloudy, with a high near 22. West northwest wind 9 to 14 mph, with gusts as high as 24 mph.
Wednesday Night
Mostly clear, with a low around 1. West northwest wind 9 to 13 mph, with gusts as high as 22 mph.
New Year's Day
A 20 percent chance of snow after 1pm. Partly sunny, with a high near 13. West wind 7 to 10 mph.
Thursday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 6. West wind around 7 mph.
Friday
Sunny, with a high near 17.
Friday Night
Partly cloudy, with a low around 6.
Saturday
Mostly cloudy, with a high near 20.
Saturday Night
Partly cloudy, with a low around 8.
Sunday
Mostly sunny, with a high near 24.
Sunday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 17.
Monday
Partly sunny, with a high near 29.
Monday Night
Mostly cloudy, with a low around 17.
Tuesday
Partly sunny, with a high near 28.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Oshkosh, Wittman Regional Airport WI
 43.99°N 88.57°W (Elev. 797 ft)
Last Update:
1:51 am CST Dec 31, 2025
Forecast Valid:
2am CST Dec 31, 2025-6pm CST Jan 6, 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