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

67°F

19°C

Humidity 63%
Wind Speed W 12 G 21 mph
Barometer 29.84 in (1009.7 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 13 Oct 12:53 pm CDT
Extended Forecast for

Oshkosh WI

  • This Afternoon

    This Afternoon: Sunny, with a high near 68. Northwest wind 9 to 13 mph, with gusts as high as 18 mph.

    High: 68 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 52. North northwest wind 3 to 5 mph.

    Low: 52 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 63. North wind 5 to 8 mph.

    High: 63 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 47. East northeast wind 6 to 8 mph.

    Low: 47 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 60. East wind 5 to 8 mph. Chance of precipitation is 60%.

    High: 60 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely before 1am. Mostly cloudy, with a low around 44. Chance of precipitation is 60%.

    Low: 44 °F

    Showers
    Likely

  • Friday

    Friday: Mostly sunny, with a high near 55. Breezy.

    High: 55 °F

    Mostly Sunny
    and Breezy
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Areas of frost after 3am. Otherwise, mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear
    then Areas
    Frost

  • Saturday

    Saturday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 57.

    High: 57 °F

    Frost then
    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 68. Northwest wind 9 to 13 mph, with gusts as high as 18 mph.
Tonight
Mostly cloudy, with a low around 52. North northwest wind 3 to 5 mph.
Wednesday
Partly sunny, with a high near 63. North wind 5 to 8 mph.
Wednesday Night
Mostly cloudy, with a low around 47. East northeast wind 6 to 8 mph.
Thursday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 60. East wind 5 to 8 mph. Chance of precipitation is 60%.
Thursday Night
Showers likely before 1am. Mostly cloudy, with a low around 44. Chance of precipitation is 60%.
Friday
Mostly sunny, with a high near 55. Breezy.
Friday Night
Areas of frost after 3am. Otherwise, mostly clear, with a low around 34.
Saturday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 57.
Saturday Night
Clear, with a low around 39.
Sunday
Sunny, with a high near 64.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 65.
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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:
12:32 pm CDT Oct 13, 2026
Forecast Valid:
1pm CDT Oct 13, 2026-6pm CDT Oct 19, 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