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

70°F

21°C

Humidity 49%
Wind Speed NW 13 G 21 mph
Barometer 29.73 in (1006.0 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 18 Jun 1:53 pm CDT
Extended Forecast for

Oshkosh WI

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 70. West northwest wind around 11 mph, with gusts as high as 22 mph.

    High: 70 °F

    Mostly Sunny

  • Tonight

    Tonight: Isolated showers and thunderstorms before 8pm. Mostly clear, with a low around 55. West wind 7 to 10 mph. Chance of precipitation is 20%.

    Low: 55 °F

    Isolated
    T-storms then
    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 70. West northwest wind 8 to 10 mph, with gusts as high as 18 mph.

    High: 70 °F

    Sunny

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 55. West southwest wind 5 to 7 mph.

    Low: 55 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 72. West northwest wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 72 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 55.

    Low: 55 °F

    Slight Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 70. West northwest wind around 11 mph, with gusts as high as 22 mph.
Tonight
Isolated showers and thunderstorms before 8pm. Mostly clear, with a low around 55. West wind 7 to 10 mph. Chance of precipitation is 20%.
Juneteenth
Sunny, with a high near 70. West northwest wind 8 to 10 mph, with gusts as high as 18 mph.
Friday Night
A 50 percent chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 55. West southwest wind 5 to 7 mph.
Saturday
Mostly sunny, with a high near 72. West northwest wind 9 to 11 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
Partly sunny, with a high near 69.
Sunday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 55.
Monday
Mostly sunny, with a high near 72.
Monday Night
Mostly clear, with a low around 54.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 72.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57.
Wednesday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 70. Chance of precipitation is 60%.
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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:
2:36 pm CDT Jun 18, 2026
Forecast Valid:
2pm CDT Jun 18, 2026-6pm CDT Jun 24, 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