National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Fair

59°F

15°C

Humidity 62%
Wind Speed N 8 mph
Barometer 30.02 in (1016.1 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 1 Oct 9:53 pm CDT
Extended Forecast for

Oshkosh WI

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 45. North northwest wind around 8 mph.

    Low: 45 °F

    Decreasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 62. North northwest wind 7 to 9 mph.

    High: 62 °F

    Sunny

  • Friday Night

    Friday Night: Patchy fog after 5am. Otherwise, clear, with a low around 43. Light and variable wind.

    Low: 43 °F

    Clear then
    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 8am. Otherwise, sunny, with a high near 65. Light south wind increasing to 5 to 10 mph in the morning.

    High: 65 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 48. Southwest wind around 8 mph.

    Low: 48 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 42.

    Low: 42 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 41.

    Low: 41 °F

    Clear

Detailed Forecast

Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 45. North northwest wind around 8 mph.
Friday
Sunny, with a high near 62. North northwest wind 7 to 9 mph.
Friday Night
Patchy fog after 5am. Otherwise, clear, with a low around 43. Light and variable wind.
Saturday
Patchy fog before 8am. Otherwise, sunny, with a high near 65. Light south wind increasing to 5 to 10 mph in the morning.
Saturday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 48. Southwest wind around 8 mph.
Sunday
Sunny, with a high near 66.
Sunday Night
Clear, with a low around 42.
Monday
Sunny, with a high near 61.
Monday Night
Clear, with a low around 41.
Tuesday
Sunny, with a high near 65.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Mostly sunny, with a high near 71.
Wednesday Night
Mostly clear, with a low around 49.
Thursday
Sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Oshkosh WI
 44.02°N 88.56°W (Elev. 758 ft)
Last Update:
8:46 pm CDT Oct 1, 2026
Forecast Valid:
10pm CDT Oct 1, 2026-6pm CDT Oct 8, 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