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

73°F

23°C

Humidity 64%
Wind Speed NW 9 mph
Barometer 29.89 in (1010.9 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 26 Aug 7:53 pm CDT
Extended Forecast for

Oshkosh, Wittman Regional Airport WI

  • Tonight

    Tonight: A 20 percent chance of showers before 9pm. Mostly clear, with a low around 59. West northwest wind around 7 mph.

    Low: 59 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 79. North northwest wind 6 to 8 mph.

    High: 79 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55. Northeast wind 5 to 7 mph becoming east southeast after midnight.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 79. Light and variable wind becoming southwest around 6 mph in the afternoon.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 60. South wind 5 to 8 mph.

    Low: 60 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 80.

    High: 80 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.

    Low: 65 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 84.

    High: 84 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.

    Low: 68 °F

    Slight Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Tonight
A 20 percent chance of showers before 9pm. Mostly clear, with a low around 59. West northwest wind around 7 mph.
Thursday
Mostly sunny, with a high near 79. North northwest wind 6 to 8 mph.
Thursday Night
Mostly clear, with a low around 55. Northeast wind 5 to 7 mph becoming east southeast after midnight.
Friday
Sunny, with a high near 79. Light and variable wind becoming southwest around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 60. South wind 5 to 8 mph.
Saturday
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 80.
Saturday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Sunday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 84.
Sunday Night
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Monday
A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 86.
Monday Night
A 40 percent chance of showers. Partly cloudy, with a low around 67.
Tuesday
Partly sunny, with a high near 85.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 64.
Wednesday
A 20 percent chance of showers. Partly sunny, with a high near 83.
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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:
6:01 pm CDT Aug 26, 2026
Forecast Valid:
8pm CDT Aug 26, 2026-6pm CDT Sep 2, 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