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

34°F

1°C

Humidity 89%
Wind Speed S 8 mph
Barometer 29.94 in (1015.0 mb)
Dewpoint 31°F (-1°C)
Visibility 6.00 mi
Wind Chill27°F (-3°C)
Last update 19 Mar 10:53 pm CDT
Extended Forecast for

Oshkosh WI

  • Tonight

    Tonight: Mostly cloudy, with a temperature rising to around 38 by 5am. West southwest wind 6 to 9 mph.

    Low: 34 °F⇑

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 44. Northwest wind 6 to 8 mph.

    High: 44 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 33. Light and variable wind.

    Low: 33 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 49. South wind 5 to 7 mph.

    High: 49 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 35. South wind 7 to 9 mph becoming north northeast after midnight.

    Low: 35 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Sunday

    Sunday: A 20 percent chance of rain before 1pm. Mostly cloudy, with a high near 42.

    High: 42 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a temperature rising to around 38 by 5am. West southwest wind 6 to 9 mph.
Friday
Mostly cloudy, with a high near 44. Northwest wind 6 to 8 mph.
Friday Night
Mostly cloudy, with a low around 33. Light and variable wind.
Saturday
Partly sunny, with a high near 49. South wind 5 to 7 mph.
Saturday Night
A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 35. South wind 7 to 9 mph becoming north northeast after midnight.
Sunday
A 20 percent chance of rain before 1pm. Mostly cloudy, with a high near 42.
Sunday Night
Mostly cloudy, with a low around 22.
Monday
Mostly sunny, with a high near 39.
Monday Night
Mostly cloudy, with a low around 28.
Tuesday
Mostly cloudy, with a high near 46.
Tuesday Night
Mostly cloudy, with a low around 28.
Wednesday
Mostly cloudy, with a high near 44.
Wednesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 34.
Thursday
A 40 percent chance of rain. Partly sunny, with a high near 49.
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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:
8:37 pm CDT Mar 19, 2026
Forecast Valid:
11pm CDT Mar 19, 2026-6pm CDT Mar 26, 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