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.

Fair

35°F

2°C

Humidity 44%
Wind Speed S 16 G 24 mph
Barometer 30.51 in (1034.8 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 28 Mar 11:53 am CDT
Extended Forecast for

Oshkosh WI

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 45. South southwest wind 10 to 14 mph, with gusts as high as 23 mph.

    High: 45 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 35. South southwest wind 9 to 11 mph, with gusts as high as 18 mph.

    Low: 35 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 59. South southwest wind around 10 mph.

    High: 59 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 40. South southwest wind around 7 mph.

    Low: 40 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 62. South southwest wind 5 to 9 mph becoming southeast in the afternoon.

    High: 62 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 44. Chance of precipitation is 60%.

    Low: 44 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 1pm, then a chance of rain and thunderstorms after 1pm. Mostly cloudy, with a high near 58. Chance of precipitation is 50%.

    High: 58 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain before 1am. Mostly cloudy, with a low around 28.

    Low: 28 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 45. South southwest wind 10 to 14 mph, with gusts as high as 23 mph.
Tonight
Increasing clouds, with a low around 35. South southwest wind 9 to 11 mph, with gusts as high as 18 mph.
Sunday
Mostly sunny, with a high near 59. South southwest wind around 10 mph.
Sunday Night
Partly cloudy, with a low around 40. South southwest wind around 7 mph.
Monday
Mostly sunny, with a high near 62. South southwest wind 5 to 9 mph becoming southeast in the afternoon.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 44. Chance of precipitation is 60%.
Tuesday
A chance of showers and thunderstorms before 1pm, then a chance of rain and thunderstorms after 1pm. Mostly cloudy, with a high near 58. Chance of precipitation is 50%.
Tuesday Night
A 20 percent chance of rain before 1am. Mostly cloudy, with a low around 28.
Wednesday
Mostly sunny, with a high near 40.
Wednesday Night
Partly cloudy, with a low around 26.
Thursday
A 30 percent chance of snow. Partly sunny, with a high near 40.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Friday
A 20 percent chance of rain. Mostly cloudy, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Oshkosh WI
 44.02°N 88.53°W (Elev. 748 ft)
Last Update:
12:42 pm CDT Mar 28, 2026
Forecast Valid:
12pm CDT Mar 28, 2026-6pm CDT Apr 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation