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.

Overcast

16°F

-9°C

Humidity 67%
Wind Speed N 8 mph
Barometer 30.49 in (1034.9 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill5°F (-15°C)
Last update 1 Mar 7:53 am CST
Extended Forecast for

Oshkosh, Wittman Regional Airport WI

  • Today

    Today: Sunny, with a high near 28. North northeast wind around 6 mph becoming calm in the morning.

    High: 28 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 18. Calm wind becoming south southeast around 6 mph after midnight.

    Low: 18 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 41. South wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 41 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 30. South southeast wind around 6 mph becoming calm after midnight.

    Low: 30 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tuesday

    Tuesday: A 50 percent chance of rain, mainly before noon. Mostly cloudy, with a high near 42. East southeast wind 3 to 6 mph.

    High: 42 °F

    Chance Rain
    then Slight
    Chance Rain

  • Tuesday Night

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

    Low: 30 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly after noon. Partly sunny, with a high near 43.

    High: 43 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: A 30 percent chance of rain. Mostly cloudy, with a high near 46.

    High: 46 °F

    Chance Rain

Detailed Forecast

Today
Sunny, with a high near 28. North northeast wind around 6 mph becoming calm in the morning.
Tonight
Mostly clear, with a low around 18. Calm wind becoming south southeast around 6 mph after midnight.
Monday
Mostly sunny, with a high near 41. South wind 6 to 10 mph, with gusts as high as 18 mph.
Monday Night
A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 30. South southeast wind around 6 mph becoming calm after midnight.
Tuesday
A 50 percent chance of rain, mainly before noon. Mostly cloudy, with a high near 42. East southeast wind 3 to 6 mph.
Tuesday Night
Partly cloudy, with a low around 30.
Wednesday
A 30 percent chance of rain, mainly after noon. Partly sunny, with a high near 43.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 34.
Thursday
A 30 percent chance of rain. Mostly cloudy, with a high near 46.
Thursday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 37.
Friday
Rain likely. Mostly cloudy, with a high near 56. Chance of precipitation is 60%.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 36.
Saturday
A 30 percent chance of rain. Mostly cloudy, with a high near 51.
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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:
7:37 am CST Mar 1, 2026
Forecast Valid:
8am CST Mar 1, 2026-6pm CST Mar 7, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation