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.

A Few Clouds

78°F

26°C

Humidity 76%
Wind Speed Vrbl 3 mph
Barometer 30.01 in (1015.0 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 8 Jul 10:53 am CDT
Extended Forecast for

Oshkosh WI

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly after 3pm. Mostly cloudy, with a high near 84. Heat index values as high as 88. West southwest wind around 10 mph.

    High: 84 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Low around 66. Southwest wind 6 to 8 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 66 °F

    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 77. West wind around 7 mph becoming northeast in the afternoon. Chance of precipitation is 30%.

    High: 77 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before 1am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 63. Northeast wind 3 to 6 mph.

    Low: 63 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: Sunny, with a high near 81. East northeast wind around 6 mph.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly after 3pm. Mostly cloudy, with a high near 84. Heat index values as high as 88. West southwest wind around 10 mph.
Tonight
Showers and possibly a thunderstorm. Low around 66. Southwest wind 6 to 8 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 77. West wind around 7 mph becoming northeast in the afternoon. Chance of precipitation is 30%.
Thursday Night
A 20 percent chance of showers before 1am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 63. Northeast wind 3 to 6 mph.
Friday
Sunny, with a high near 81. East northeast wind around 6 mph.
Friday Night
Mostly clear, with a low around 64.
Saturday
Sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 65.
Sunday
Sunny, with a high near 83.
Sunday Night
Mostly clear, with a low around 67.
Monday
Sunny, with a high near 86.
Monday Night
Mostly clear, with a low around 69.
Tuesday
Sunny, with a high near 86.
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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:
10:51 am CDT Jul 8, 2026
Forecast Valid:
11am CDT Jul 8, 2026-6pm CDT Jul 14, 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