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

73°F

23°C

Humidity 81%
Wind Speed NE 10 mph
Barometer 30.03 in (1015.8 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 5 Sep 4:53 pm CDT
Extended Forecast for

Oshkosh WI

  • Tonight

    Tonight: Mostly clear, with a low around 61. East northeast wind 5 to 8 mph.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 76. East wind around 6 mph.

    High: 76 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 61. South southeast wind 3 to 7 mph.

    Low: 61 °F

    Partly Cloudy

  • Labor Day

    Labor Day: Mostly sunny, with a high near 77. Light south southeast wind increasing to 5 to 9 mph in the morning.

    High: 77 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 64. Southeast wind around 10 mph.

    Low: 64 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 79.

    High: 79 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 69. Chance of precipitation is 70%.

    Low: 69 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 79.

    High: 79 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 61. East northeast wind 5 to 8 mph.
Sunday
Mostly sunny, with a high near 76. East wind around 6 mph.
Sunday Night
Partly cloudy, with a low around 61. South southeast wind 3 to 7 mph.
Labor Day
Mostly sunny, with a high near 77. Light south southeast wind increasing to 5 to 9 mph in the morning.
Monday Night
Mostly cloudy, with a low around 64. Southeast wind around 10 mph.
Tuesday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 79.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 69. Chance of precipitation is 70%.
Wednesday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 61.
Thursday
Mostly sunny, with a high near 74.
Thursday Night
Mostly clear, with a low around 58.
Friday
Mostly sunny, with a high near 75.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 61.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Oshkosh WI
 44.02°N 88.53°W (Elev. 748 ft)
Last Update:
3:26 pm CDT Sep 5, 2026
Forecast Valid:
4pm CDT Sep 5, 2026-6pm CDT Sep 12, 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