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Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Fair

59°F

15°C

Humidity 93%
Wind Speed Calm
Barometer 29.94 in (1013.2 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 19 Aug 5:53 am CDT
Extended Forecast for

5 Miles W Oshkosh, Wittman Regional Airport WI

  • Today

    Today: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 79. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 79 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 55. North northwest wind around 5 mph becoming calm in the evening.

    Low: 55 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 81. Light southwest wind increasing to 5 to 10 mph in the afternoon.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 62. South southwest wind 7 to 9 mph. Chance of precipitation is 50%.

    Low: 62 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 79. South southwest wind 8 to 11 mph.

    High: 79 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 60. Chance of precipitation is 30%.

    Low: 60 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

Detailed Forecast

Today
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 79. Calm wind becoming north northwest around 6 mph in the afternoon.
Tonight
Partly cloudy, with a low around 55. North northwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 81. Light southwest wind increasing to 5 to 10 mph in the afternoon.
Thursday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 62. South southwest wind 7 to 9 mph. Chance of precipitation is 50%.
Friday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 79. South southwest wind 8 to 11 mph.
Friday Night
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 60. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 56.
Monday
Mostly sunny, with a high near 78.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81.
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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:
4:26 am CDT Aug 19, 2026
Forecast Valid:
6am CDT Aug 19, 2026-6pm CDT Aug 25, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation