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.

Fog/Mist

29°F

-2°C

Humidity 92%
Wind Speed Calm
Barometer 30.21 in (1023.9 mb)
Dewpoint 27°F (-3°C)
Visibility 5.00 mi
Last update 4 Mar 2:53 am CST
Extended Forecast for

5 Miles W Oshkosh, Wittman Regional Airport WI

  • Overnight

    Overnight: Mostly clear, with a low around 27. Light south southwest wind.

    Low: 27 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 52. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 52 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 34. East southeast wind 3 to 6 mph.

    Low: 34 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A 40 percent chance of rain, mainly before noon. Mostly cloudy, with a high near 45. East northeast wind 7 to 9 mph.

    High: 45 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 38. Southeast wind 5 to 7 mph.

    Low: 38 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Friday

    Friday: Rain, with thunderstorms also possible after noon. High near 60. Chance of precipitation is 100%.

    High: 60 °F

    Rain

  • Friday Night

    Friday Night: Rain and possibly a thunderstorm. Low around 39. Chance of precipitation is 90%.

    Low: 39 °F

    Rain

  • Saturday

    Saturday: A 20 percent chance of rain before noon. Mostly sunny, with a high near 48.

    High: 48 °F

    Slight Chance
    Rain then
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 27. Light south southwest wind.
Wednesday
Sunny, with a high near 52. Calm wind becoming south southeast around 5 mph in the afternoon.
Wednesday Night
Increasing clouds, with a low around 34. East southeast wind 3 to 6 mph.
Thursday
A 40 percent chance of rain, mainly before noon. Mostly cloudy, with a high near 45. East northeast wind 7 to 9 mph.
Thursday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 38. Southeast wind 5 to 7 mph.
Friday
Rain, with thunderstorms also possible after noon. High near 60. Chance of precipitation is 100%.
Friday Night
Rain and possibly a thunderstorm. Low around 39. Chance of precipitation is 90%.
Saturday
A 20 percent chance of rain before noon. Mostly sunny, with a high near 48.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
Mostly sunny, with a high near 56.
Sunday Night
Mostly clear, with a low around 38.
Monday
Sunny, with a high near 63.
Monday Night
A 20 percent chance of rain. Mostly clear, with a low around 42.
Tuesday
Rain likely. Partly sunny, with a high near 56. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Oshkosh, Wittman Regional Airport WI
 44°N 88.66°W (Elev. 843 ft)
Last Update:
3:06 am CST Mar 4, 2026
Forecast Valid:
3am CST Mar 4, 2026-6pm CDT Mar 10, 2026
 
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