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.

Mostly Cloudy

61°F

16°C

Humidity 72%
Wind Speed W 6 mph
Barometer 29.58 in (1000.7 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 16 Jun 8:53 pm CDT
Extended Forecast for

Winneconne WI

  • Tonight

    Tonight: Partly cloudy, with a low around 53. West northwest wind 3 to 8 mph.

    Low: 53 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm, mainly before 5pm, then a chance of showers and thunderstorms after 5pm. High near 63. South southeast wind 5 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 63 °F

    Showers
    Likely then
    Showers

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms before 4am, then a chance of showers after 5am. Low around 53. South wind 7 to 11 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 53 °F

    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 68. West northwest wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    High: 68 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of thunderstorms before 7pm. Mostly clear, with a low around 53. West northwest wind 7 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 10%.

    Low: 53 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers. Mostly clear, with a low around 54.

    Low: 54 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 53. West northwest wind 3 to 8 mph.
Wednesday
Showers and possibly a thunderstorm, mainly before 5pm, then a chance of showers and thunderstorms after 5pm. High near 63. South southeast wind 5 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and thunderstorms before 4am, then a chance of showers after 5am. Low around 53. South wind 7 to 11 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 68. West northwest wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Thursday Night
A slight chance of thunderstorms before 7pm. Mostly clear, with a low around 53. West northwest wind 7 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 10%.
Juneteenth
Sunny, with a high near 70.
Friday Night
A 20 percent chance of showers. Mostly clear, with a low around 54.
Saturday
Sunny, with a high near 73.
Saturday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 55.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 70. Chance of precipitation is 30%.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 55.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 72.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Mostly sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Winneconne WI
 44.13°N 88.71°W (Elev. 751 ft)
Last Update:
8:36 pm CDT Jun 16, 2026
Forecast Valid:
9pm CDT Jun 16, 2026-6pm CDT Jun 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation