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

56°F

13°C

Humidity 100%
Wind Speed NW 6 mph
Barometer 29.77 in (1007.9 mb)
Dewpoint 56°F (13°C)
Visibility 0.75 mi
Last update 15 Apr 11:53 am CDT
Extended Forecast for

Oshkosh, Wittman Regional Airport WI

  • This Afternoon

    This Afternoon: A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 62. East northeast wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 62 °F

    Rain Likely

  • Tonight

    Tonight: Rain likely and possibly a thunderstorm before 1am, then a chance of rain and thunderstorms after 1am. Patchy fog after 10pm. Otherwise, cloudy, with a low around 48. North northeast wind 3 to 6 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 48 °F

    Rain Likely
    and Patchy
    Fog

  • Thursday

    Thursday: A chance of rain and thunderstorms before 10am, then a slight chance of rain between 10am and 11am. Areas of fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 62. North northeast wind around 6 mph. Chance of precipitation is 40%.

    High: 62 °F

    Chance Rain
    and Areas Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 47. Light and variable wind becoming south southeast around 6 mph after midnight.

    Low: 47 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of rain after 1pm. Partly sunny, with a high near 72. South southeast wind 6 to 14 mph, with gusts as high as 25 mph.

    High: 72 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: Rain and possibly a thunderstorm. Low around 43. Chance of precipitation is 90%.

    Low: 43 °F

    Rain

  • Saturday

    Saturday: A 40 percent chance of rain. Mostly cloudy, with a high near 53.

    High: 53 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A slight chance of rain before 10pm, then a slight chance of snow. Mostly cloudy, with a low around 30. Chance of precipitation is 20%.

    Low: 30 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Snow

  • Sunday

    Sunday: A 20 percent chance of snow before 1pm. Mostly sunny, with a high near 47.

    High: 47 °F

    Slight Chance
    Snow

Detailed Forecast

This Afternoon
A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 62. East northeast wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Rain likely and possibly a thunderstorm before 1am, then a chance of rain and thunderstorms after 1am. Patchy fog after 10pm. Otherwise, cloudy, with a low around 48. North northeast wind 3 to 6 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A chance of rain and thunderstorms before 10am, then a slight chance of rain between 10am and 11am. Areas of fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 62. North northeast wind around 6 mph. Chance of precipitation is 40%.
Thursday Night
Partly cloudy, with a low around 47. Light and variable wind becoming south southeast around 6 mph after midnight.
Friday
A 20 percent chance of rain after 1pm. Partly sunny, with a high near 72. South southeast wind 6 to 14 mph, with gusts as high as 25 mph.
Friday Night
Rain and possibly a thunderstorm. Low around 43. Chance of precipitation is 90%.
Saturday
A 40 percent chance of rain. Mostly cloudy, with a high near 53.
Saturday Night
A slight chance of rain before 10pm, then a slight chance of snow. Mostly cloudy, with a low around 30. Chance of precipitation is 20%.
Sunday
A 20 percent chance of snow before 1pm. Mostly sunny, with a high near 47.
Sunday Night
Partly cloudy, with a low around 31.
Monday
Sunny, with a high near 56.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
Mostly sunny, with a high near 66.
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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:
11:47 am CDT Apr 15, 2026
Forecast Valid:
12pm CDT Apr 15, 2026-6pm CDT Apr 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation