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

53°F

12°C

Humidity 66%
Wind Speed Calm
Barometer 29.86 in (1011.6 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 20 Mar 4:53 pm CDT
Extended Forecast for

Oshkosh WI

  • Tonight

    Tonight: Areas of fog after midnight. Otherwise, partly cloudy, with a low around 34. Light and variable wind.

    Low: 34 °F

    Partly Cloudy
    then Areas
    Fog

  • Saturday

    Saturday: Patchy fog between 8am and 9am. Otherwise, partly sunny, with a high near 57. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 57 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 37. South southwest wind 6 to 8 mph becoming north northeast after midnight.

    Low: 37 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 40 percent chance of rain, mainly before 10am. Mostly cloudy, with a high near 40. North northeast wind 10 to 14 mph, with gusts as high as 24 mph.

    High: 40 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 22. North northeast wind 6 to 10 mph.

    Low: 22 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 49.

    High: 49 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow after 1am. Mostly cloudy, with a low around 27. Chance of precipitation is 20%.

    Low: 27 °F

    Partly Cloudy
    then Slight
    Chance
    Rain/Snow

Detailed Forecast

Tonight
Areas of fog after midnight. Otherwise, partly cloudy, with a low around 34. Light and variable wind.
Saturday
Patchy fog between 8am and 9am. Otherwise, partly sunny, with a high near 57. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 37. South southwest wind 6 to 8 mph becoming north northeast after midnight.
Sunday
A 40 percent chance of rain, mainly before 10am. Mostly cloudy, with a high near 40. North northeast wind 10 to 14 mph, with gusts as high as 24 mph.
Sunday Night
Partly cloudy, with a low around 22. North northeast wind 6 to 10 mph.
Monday
Mostly sunny, with a high near 40.
Monday Night
Mostly cloudy, with a low around 30.
Tuesday
Mostly cloudy, with a high near 49.
Tuesday Night
A slight chance of rain and snow after 1am. Mostly cloudy, with a low around 27. Chance of precipitation is 20%.
Wednesday
Mostly cloudy, with a high near 42.
Wednesday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 33. Chance of precipitation is 20%.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 52.
Thursday Night
Mostly cloudy, with a low around 24.
Friday
Partly sunny, with a high near 38.
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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:
5:26 pm CDT Mar 20, 2026
Forecast Valid:
5pm CDT Mar 20, 2026-6pm CDT Mar 27, 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