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

30°F

-1°C

Humidity 85%
Wind Speed Calm
Barometer 30.05 in (1018.7 mb)
Dewpoint 26°F (-3°C)
Visibility 3.00 mi
Last update 14 Feb 8:53 am CST
Extended Forecast for

Oshkosh, Wittman Regional Airport WI

  • Today

    Today: Mostly sunny, with a high near 50. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 50 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 27. South wind around 6 mph becoming west after midnight.

    Low: 27 °F

    Partly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 43. West northwest wind 3 to 6 mph.

    High: 43 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 32. Calm wind becoming south southwest 5 to 8 mph in the evening.

    Low: 32 °F

    Mostly Cloudy

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 49. South southwest wind 5 to 10 mph becoming west in the afternoon.

    High: 49 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after noon. Mostly cloudy, with a high near 43.

    High: 43 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain. Low around 37. Chance of precipitation is 90%.

    Low: 37 °F

    Rain

  • Wednesday

    Wednesday: Rain likely, mainly before noon. Mostly cloudy, with a high near 45. Chance of precipitation is 60%.

    High: 45 °F

    Rain Likely

Detailed Forecast

Today
Mostly sunny, with a high near 50. Calm wind becoming south southeast around 5 mph in the afternoon.
Tonight
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 27. South wind around 6 mph becoming west after midnight.
Sunday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 43. West northwest wind 3 to 6 mph.
Sunday Night
Mostly cloudy, with a low around 32. Calm wind becoming south southwest 5 to 8 mph in the evening.
Washington's Birthday
Mostly sunny, with a high near 49. South southwest wind 5 to 10 mph becoming west in the afternoon.
Monday Night
Partly cloudy, with a low around 33.
Tuesday
A 20 percent chance of rain after noon. Mostly cloudy, with a high near 43.
Tuesday Night
Rain. Low around 37. Chance of precipitation is 90%.
Wednesday
Rain likely, mainly before noon. Mostly cloudy, with a high near 45. Chance of precipitation is 60%.
Wednesday Night
A chance of rain and snow before midnight, then a chance of snow. Mostly cloudy, with a low around 28. Chance of precipitation is 30%.
Thursday
A 30 percent chance of snow. Partly sunny, with a high near 37.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 25.
Friday
A 30 percent chance of snow. Partly sunny, with a high near 32.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Oshkosh, Wittman Regional Airport WI
 43.99°N 88.57°W (Elev. 797 ft)
Last Update:
9:33 am CST Feb 14, 2026
Forecast Valid:
9am CST Feb 14, 2026-6pm CST Feb 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation