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.

Partly Cloudy

63°F

17°C

Humidity 90%
Wind Speed S 13 mph
Barometer 29.69 in (1004.8 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 12 Apr 8:53 pm CDT
Extended Forecast for

Oshkosh WI

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 10pm, then a slight chance of showers between 10pm and 1am. Patchy fog between midnight and 2am. Low around 57. Southwest wind 15 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Showers then
    Slight Chance
    Showers and
    Patchy Fog

  • Monday

    Monday: A slight chance of showers between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 69. West southwest wind 7 to 11 mph becoming southeast in the afternoon. Chance of precipitation is 30%.

    High: 69 °F

    Partly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 7pm, then rain and possibly a thunderstorm between 7pm and 1am, then a chance of rain and thunderstorms after 1am. Low around 57. South southeast wind 8 to 10 mph becoming southwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 57 °F

    Showers

  • Tuesday

    Tuesday: A chance of rain between 1pm and 4pm, then a chance of rain and thunderstorms after 4pm. Partly sunny, with a high near 70. Southwest wind around 9 mph. Chance of precipitation is 50%.

    High: 70 °F

    Partly Sunny
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 49. Southwest wind around 7 mph becoming northeast after midnight. Chance of precipitation is 70%.

    Low: 49 °F

    Rain Likely

  • Wednesday

    Wednesday: A chance of rain, then rain likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 60. Chance of precipitation is 70%.

    High: 60 °F

    Chance Rain
    then Rain
    Likely

  • Wednesday Night

    Wednesday Night: Rain likely and possibly a thunderstorm before 1am, then a chance of rain. Mostly cloudy, with a low around 49. Chance of precipitation is 70%.

    Low: 49 °F

    Rain Likely

  • Thursday

    Thursday: A chance of rain, with thunderstorms also possible after 1pm. Partly sunny, with a high near 66. Chance of precipitation is 30%.

    High: 66 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers and possibly a thunderstorm before 10pm, then a slight chance of showers between 10pm and 1am. Patchy fog between midnight and 2am. Low around 57. Southwest wind 15 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A slight chance of showers between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 69. West southwest wind 7 to 11 mph becoming southeast in the afternoon. Chance of precipitation is 30%.
Monday Night
Showers likely and possibly a thunderstorm before 7pm, then rain and possibly a thunderstorm between 7pm and 1am, then a chance of rain and thunderstorms after 1am. Low around 57. South southeast wind 8 to 10 mph becoming southwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
A chance of rain between 1pm and 4pm, then a chance of rain and thunderstorms after 4pm. Partly sunny, with a high near 70. Southwest wind around 9 mph. Chance of precipitation is 50%.
Tuesday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 49. Southwest wind around 7 mph becoming northeast after midnight. Chance of precipitation is 70%.
Wednesday
A chance of rain, then rain likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 60. Chance of precipitation is 70%.
Wednesday Night
Rain likely and possibly a thunderstorm before 1am, then a chance of rain. Mostly cloudy, with a low around 49. Chance of precipitation is 70%.
Thursday
A chance of rain, with thunderstorms also possible after 1pm. Partly sunny, with a high near 66. Chance of precipitation is 30%.
Thursday Night
Mostly clear, with a low around 50.
Friday
A 40 percent chance of rain after 1pm. Partly sunny, with a high near 71.
Friday Night
Rain and possibly a thunderstorm. Low around 46. Chance of precipitation is 80%.
Saturday
A 50 percent chance of rain. Mostly cloudy, with a high near 55.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 33. Chance of precipitation is 40%.
Sunday
A slight chance of rain and snow. Mostly sunny, with a high near 49. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
Oshkosh WI
 44.02°N 88.53°W (Elev. 748 ft)
Last Update:
8:47 pm CDT Apr 12, 2026
Forecast Valid:
9pm CDT Apr 12, 2026-6pm CDT Apr 19, 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