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.

Light Rain

34°F

1°C

Humidity 82%
Wind Speed S 7 mph
Barometer 29.99 in (1017.0 mb)
Dewpoint 29°F (-2°C)
Visibility 9.00 mi
Wind Chill28°F (-2°C)
Last update 19 Mar 1:53 am CDT
Extended Forecast for

Oshkosh WI

  • Overnight

    Overnight: Rain or freezing rain before 3am, then rain between 3am and 4am, then freezing rain after 4am. Patchy fog after 4am. Low around 30. Light south southwest wind. Chance of precipitation is 80%. Little or no ice accumulation expected.

    Low: 30 °F

    Rain/Freezing
    Rain and
    Patchy Fog

  • Thursday

    Thursday: Patchy fog before noon. Otherwise, partly sunny, with a high near 40. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 40 °F

    Patchy Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 32. Light and variable wind becoming south southwest 5 to 8 mph in the evening.

    Low: 32 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 43. West northwest wind around 7 mph.

    High: 43 °F

    Mostly Cloudy

  • Friday Night

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

    Low: 33 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Sunday

    Sunday: A slight chance of rain and snow before 1pm. Mostly cloudy, with a high near 39. Chance of precipitation is 20%.

    High: 39 °F

    Slight Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Rain or freezing rain before 3am, then rain between 3am and 4am, then freezing rain after 4am. Patchy fog after 4am. Low around 30. Light south southwest wind. Chance of precipitation is 80%. Little or no ice accumulation expected.
Thursday
Patchy fog before noon. Otherwise, partly sunny, with a high near 40. Calm wind becoming southeast around 6 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 32. Light and variable wind becoming south southwest 5 to 8 mph in the evening.
Friday
Mostly cloudy, with a high near 43. West northwest wind around 7 mph.
Friday Night
Mostly cloudy, with a low around 33. Light southwest wind.
Saturday
Partly sunny, with a high near 49.
Saturday Night
A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 34.
Sunday
A slight chance of rain and snow before 1pm. Mostly cloudy, with a high near 39. Chance of precipitation is 20%.
Sunday Night
Mostly cloudy, with a low around 21.
Monday
Sunny, with a high near 38.
Monday Night
Mostly cloudy, with a low around 26.
Tuesday
Mostly cloudy, with a high near 44.
Tuesday Night
Mostly cloudy, with a low around 27.
Wednesday
Mostly cloudy, with a high near 46.
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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:
1:22 am CDT Mar 19, 2026
Forecast Valid:
1am CDT Mar 19, 2026-6pm CDT Mar 25, 2026
 
Forecast Discussion
 
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Additional Resources

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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