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

58°F

14°C

Humidity 93%
Wind Speed Calm
Barometer 29.74 in (1006.9 mb)
Dewpoint 56°F (13°C)
Visibility 5.00 mi
Last update 15 Apr 4:53 pm CDT
Extended Forecast for

Oshkosh WI

Flood Watch until April 16, 07:00am
Dense Fog Advisory April 15, 11:00pm until April 16, 10:00am
Click here for hazard details and duration
Flood Watch
Dense Fog Advisory
  •  
    Flood Watch until April 16, 07:00am

    NOW until 7:00am Thu

    Flood Watch

  • This Afternoon

    High: 60 °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 9pm. Otherwise, cloudy, with a low around 48. North northeast wind 3 to 5 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: Mostly clear, with a low around 47. Calm wind becoming south southeast around 6 mph after midnight.

    Low: 47 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of rain after 1pm. Partly sunny, with a high near 68. South southeast wind 8 to 15 mph, with gusts as high as 26 mph.

    High: 68 °F

    Partly Sunny
    then Chance
    Rain

  • Friday Night

    Friday Night: Rain and possibly a thunderstorm before 1am, then rain likely. Low around 39. Chance of precipitation is 100%.

    Low: 39 °F

    Rain

  • Saturday

    Saturday: A 30 percent chance of rain, mainly before 1pm. Partly sunny, with a high near 47.

    High: 47 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Rain likely and possibly a thunderstorm. Cloudy, with a high near 60. East northeast wind around 5 mph. Chance of precipitation is 70%. 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 9pm. Otherwise, cloudy, with a low around 48. North northeast wind 3 to 5 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
Mostly clear, with a low around 47. Calm wind becoming south southeast around 6 mph after midnight.
Friday
A 30 percent chance of rain after 1pm. Partly sunny, with a high near 68. South southeast wind 8 to 15 mph, with gusts as high as 26 mph.
Friday Night
Rain and possibly a thunderstorm before 1am, then rain likely. Low around 39. Chance of precipitation is 100%.
Saturday
A 30 percent chance of rain, mainly before 1pm. Partly sunny, with a high near 47.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
Mostly sunny, with a high near 45.
Sunday Night
Partly cloudy, with a low around 30.
Monday
Sunny, with a high near 53.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
Mostly sunny, with a high near 64.
Tuesday Night
Partly cloudy, with a low around 43.
Wednesday
Mostly sunny, with a high near 59.
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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:
2:37 pm CDT Apr 15, 2026
Forecast Valid:
5pm CDT Apr 15, 2026-6pm CDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation