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

58°F

14°C

Humidity 87%
Wind Speed Calm
Barometer 29.95 in (1013.4 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 21 Jun 10:53 pm CDT
Extended Forecast for

3 Miles NNW Oshkosh, Wittman Regional Airport WI

  • Tonight

    Tonight: Partly cloudy, with a low around 54. Light and variable wind becoming southeast around 5 mph after midnight.

    Low: 54 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 76. North northeast wind 7 to 9 mph.

    High: 76 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54. East northeast wind around 6 mph becoming calm after midnight.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77. Light and variable wind.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers, then showers and possibly a thunderstorm after 1am. Low around 58. Southeast wind 5 to 7 mph. Chance of precipitation is 80%.

    Low: 58 °F

    Slight Chance
    Showers then
    Showers

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 75. Chance of precipitation is 90%.

    High: 75 °F

    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 40%.

    Low: 58 °F

    Chance
    T-storms

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 75. Chance of precipitation is 40%.

    High: 75 °F

    Chance
    Showers

  • Thursday Night

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

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 54. Light and variable wind becoming southeast around 5 mph after midnight.
Monday
Mostly sunny, with a high near 76. North northeast wind 7 to 9 mph.
Monday Night
Mostly clear, with a low around 54. East northeast wind around 6 mph becoming calm after midnight.
Tuesday
Mostly sunny, with a high near 77. Light and variable wind.
Tuesday Night
A slight chance of showers, then showers and possibly a thunderstorm after 1am. Low around 58. Southeast wind 5 to 7 mph. Chance of precipitation is 80%.
Wednesday
Showers and possibly a thunderstorm. High near 75. Chance of precipitation is 90%.
Wednesday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 40%.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 75. Chance of precipitation is 40%.
Thursday Night
Mostly clear, with a low around 56.
Friday
Mostly sunny, with a high near 77.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 59.
Saturday
Mostly sunny, with a high near 79.
Saturday Night
A 30 percent chance of showers. Partly cloudy, with a low around 63.
Sunday
A 30 percent chance of showers. Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Oshkosh, Wittman Regional Airport WI
 44.04°N 88.59°W (Elev. 748 ft)
Last Update:
9:57 pm CDT Jun 21, 2026
Forecast Valid:
11pm CDT Jun 21, 2026-6pm CDT Jun 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation