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.

Mostly Cloudy

69°F

21°C

Humidity 78%
Wind Speed S 10 mph
Barometer 29.95 in (1013.5 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 9 Aug 12:53 pm CDT
Extended Forecast for

Oshkosh WI

  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 78. West southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Showers
    Likely

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 10pm. Patchy fog before 2am, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 65. West southwest wind around 5 mph becoming calm in the evening.

    Low: 65 °F

    Slight Chance
    T-storms and
    Patchy Fog
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 7am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 83. Light and variable wind becoming southeast around 5 mph in the afternoon.

    High: 83 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 65. Light south southeast wind. Chance of precipitation is 40%.

    Low: 65 °F

    Partly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 40%.

    High: 82 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 65.

    Low: 65 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 81.

    High: 81 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 78. West southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 20 percent chance of showers and thunderstorms before 10pm. Patchy fog before 2am, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 65. West southwest wind around 5 mph becoming calm in the evening.
Monday
Patchy fog before 7am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 83. Light and variable wind becoming southeast around 5 mph in the afternoon.
Monday Night
A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 65. Light south southeast wind. Chance of precipitation is 40%.
Tuesday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 40%.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 65.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 81.
Wednesday Night
Partly cloudy, with a low around 62.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Mostly sunny, with a high near 76.
Friday Night
A 30 percent chance of showers. Partly cloudy, with a low around 60.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
Oshkosh WI
 44.02°N 88.56°W (Elev. 758 ft)
Last Update:
11:56 am CDT Aug 9, 2026
Forecast Valid:
1pm CDT Aug 9, 2026-6pm CDT Aug 15, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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