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.

Overcast

48°F

9°C

Humidity 86%
Wind Speed S 14 mph
Barometer 29.97 in (1014.9 mb)
Dewpoint 44°F (7°C)
Visibility 9.00 mi
Wind Chill42°F (6°C)
Last update 12 Apr 2:53 am CDT
Extended Forecast for

Oshkosh WI

  • Overnight

    Overnight: Showers likely and possibly a thunderstorm before 4am, then a chance of showers and thunderstorms after 4am. Cloudy, with a steady temperature around 47. South southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 47 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers and thunderstorms likely before 4pm, then a slight chance of showers. Patchy fog between 8am and 11am. Otherwise, mostly cloudy, with a high near 70. South southwest wind 11 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Showers
    Likely and
    Patchy Fog
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers between 8pm and 10pm. Patchy fog between 10pm and midnight. Otherwise, mostly cloudy, with a low around 59. Southwest wind 14 to 20 mph, with gusts as high as 31 mph.

    Low: 59 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Mostly
    Cloudy

  • Monday

    Monday: A slight chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 73. West southwest wind 7 to 10 mph becoming south southeast in the afternoon. Chance of precipitation is 30%.

    High: 73 °F

    Partly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: Showers and thunderstorms before 4am, then a chance of showers. Low around 57. South southeast wind 8 to 10 mph becoming southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%.

    Low: 57 °F

    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 71.

    High: 71 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 49. Chance of precipitation is 70%.

    Low: 49 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.

    High: 66 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Rain likely and possibly a thunderstorm before 1am, then a chance of rain. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.

    Low: 50 °F

    Rain Likely

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm before 4am, then a chance of showers and thunderstorms after 4am. Cloudy, with a steady temperature around 47. South southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers and thunderstorms likely before 4pm, then a slight chance of showers. Patchy fog between 8am and 11am. Otherwise, mostly cloudy, with a high near 70. South southwest wind 11 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A 20 percent chance of showers between 8pm and 10pm. Patchy fog between 10pm and midnight. Otherwise, mostly cloudy, with a low around 59. Southwest wind 14 to 20 mph, with gusts as high as 31 mph.
Monday
A slight chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 73. West southwest wind 7 to 10 mph becoming south southeast in the afternoon. Chance of precipitation is 30%.
Monday Night
Showers and thunderstorms before 4am, then a chance of showers. Low around 57. South southeast wind 8 to 10 mph becoming southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%.
Tuesday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 71.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 49. Chance of precipitation is 70%.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.
Wednesday Night
Rain likely and possibly a thunderstorm before 1am, then a chance of rain. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Thursday
A 30 percent chance of rain, mainly before 1pm. Partly sunny, with a high near 69.
Thursday Night
Mostly clear, with a low around 50.
Friday
A 40 percent chance of rain. Mostly sunny, with a high near 73.
Friday Night
Rain and possibly a thunderstorm. Low around 47. Chance of precipitation is 80%.
Saturday
A 50 percent chance of rain and thunderstorms. Mostly cloudy, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
Oshkosh WI
 44.02°N 88.56°W (Elev. 758 ft)
Last Update:
1:46 am CDT Apr 12, 2026
Forecast Valid:
3am CDT Apr 12, 2026-6pm CDT Apr 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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