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.

Fog/Mist

58°F

14°C

Humidity 97%
Wind Speed NW 3 mph
Barometer 29.35 in (993.3 mb)
Dewpoint 57°F (14°C)
Visibility 5.00 mi
Last update 17 Jun 10:53 pm CDT
Extended Forecast for

Oshkosh WI

  • Tonight

    Tonight: Showers likely, mainly before 1am. Cloudy, with a low around 54. East northeast wind 8 to 11 mph becoming north northwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 54 °F

    Showers
    Likely

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 68. West northwest wind 11 to 13 mph, with gusts as high as 21 mph.

    High: 68 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 53. West northwest wind 7 to 11 mph, with gusts as high as 20 mph.

    Low: 53 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 69. West northwest wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 69 °F

    Sunny

  • Friday Night

    Friday Night: A 40 percent chance of showers, mainly before 1am. Partly cloudy, with a low around 55. West southwest wind 3 to 7 mph.

    Low: 55 °F

    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Sunday

    Sunday: A 50 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 68.

    High: 68 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 54.

    Low: 54 °F

    Chance
    Showers

Detailed Forecast

Tonight
Showers likely, mainly before 1am. Cloudy, with a low around 54. East northeast wind 8 to 11 mph becoming north northwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A 20 percent chance of showers and thunderstorms after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 68. West northwest wind 11 to 13 mph, with gusts as high as 21 mph.
Thursday Night
A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 53. West northwest wind 7 to 11 mph, with gusts as high as 20 mph.
Juneteenth
Sunny, with a high near 69. West northwest wind 8 to 11 mph, with gusts as high as 21 mph.
Friday Night
A 40 percent chance of showers, mainly before 1am. Partly cloudy, with a low around 55. West southwest wind 3 to 7 mph.
Saturday
Sunny, with a high near 74.
Saturday Night
Partly cloudy, with a low around 56.
Sunday
A 50 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 68.
Sunday Night
A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 54.
Monday
Mostly sunny, with a high near 71.
Monday Night
Mostly clear, with a low around 55.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 73.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 57.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 73.
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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:
8:36 pm CDT Jun 17, 2026
Forecast Valid:
11pm CDT Jun 17, 2026-6pm CDT Jun 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation