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.

Fair

60°F

16°C

Humidity 86%
Wind Speed S 7 mph
Barometer 30.06 in (1017.0 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 27 Aug 11:53 pm CDT
Extended Forecast for

Oshkosh WI

  • Overnight

    Overnight: Partly cloudy, with a low around 59. South wind around 6 mph becoming calm.

    Low: 59 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 81. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 81 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 63. South wind 5 to 7 mph.

    Low: 63 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 80. South southwest wind 7 to 11 mph, with gusts as high as 20 mph.

    High: 80 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 67. South wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

    Low: 67 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 85. Chance of precipitation is 30%.

    High: 85 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.

    Low: 71 °F

    Chance
    T-storms

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 87.

    High: 87 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 20%.

    Low: 70 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 59. South wind around 6 mph becoming calm.
Friday
Mostly sunny, with a high near 81. Calm wind becoming south southwest around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 63. South wind 5 to 7 mph.
Saturday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 80. South southwest wind 7 to 11 mph, with gusts as high as 20 mph.
Saturday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 67. South wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 85. Chance of precipitation is 30%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Monday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 87.
Monday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 20%.
Tuesday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 86.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Oshkosh WI
 44.02°N 88.56°W (Elev. 758 ft)
Last Update:
9:52 pm CDT Aug 27, 2026
Forecast Valid:
12am CDT Aug 28, 2026-6pm CDT Sep 3, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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