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

39°F

4°C

Humidity 57%
Wind Speed S 15 mph
Barometer 30.15 in (1021.7 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 29 Mar 3:53 am CDT
Extended Forecast for

Oshkosh, Wittman Regional Airport WI

  • Today

    Today: Partly sunny, with a high near 61. South southwest wind around 11 mph, with gusts as high as 20 mph.

    High: 61 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 42. South southwest wind 6 to 9 mph, with gusts as high as 18 mph.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 64. South southwest wind 6 to 10 mph becoming east in the afternoon.

    High: 64 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 10pm. Mostly cloudy, with a low around 45. East wind around 10 mph. Chance of precipitation is 60%.

    Low: 45 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 56. East southeast wind 9 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 60%.

    High: 56 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 30.

    Low: 30 °F

    Chance Rain

  • Wednesday

    Wednesday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 28.

    Low: 28 °F

    Slight Chance
    Snow

  • Thursday

    Thursday: A chance of snow before 1pm, then a chance of rain and snow. Mostly cloudy, with a high near 41. Chance of precipitation is 40%.

    High: 41 °F

    Chance Snow
    then Chance
    Rain/Snow

Detailed Forecast

Today
Partly sunny, with a high near 61. South southwest wind around 11 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 42. South southwest wind 6 to 9 mph, with gusts as high as 18 mph.
Monday
Mostly sunny, with a high near 64. South southwest wind 6 to 10 mph becoming east in the afternoon.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 10pm. Mostly cloudy, with a low around 45. East wind around 10 mph. Chance of precipitation is 60%.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 56. East southeast wind 9 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 60%.
Tuesday Night
A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 30.
Wednesday
Mostly sunny, with a high near 43.
Wednesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 28.
Thursday
A chance of snow before 1pm, then a chance of rain and snow. Mostly cloudy, with a high near 41. Chance of precipitation is 40%.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 50%.
Friday
A 20 percent chance of rain. Mostly cloudy, with a high near 46.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 36.
Saturday
Rain likely. Mostly cloudy, with a high near 51. Chance of precipitation is 60%.
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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:
3:56 am CDT Mar 29, 2026
Forecast Valid:
4am CDT Mar 29, 2026-6pm CDT Apr 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation