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.

Overcast

50°F

10°C

Humidity 59%
Wind Speed E 7 mph
Barometer 30.25 in (1024.3 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 22 May 2:53 am CDT
Extended Forecast for

Oshkosh WI

  • Overnight

    Overnight: Mostly cloudy, with a low around 46. East wind around 9 mph.

    Low: 46 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 65. East wind 10 to 16 mph, with gusts as high as 25 mph.

    High: 65 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 49. East wind 9 to 14 mph, with gusts as high as 24 mph.

    Low: 49 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 71. East wind 6 to 8 mph.

    High: 71 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 51. East southeast wind around 6 mph becoming calm after midnight.

    Low: 51 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 78.

    High: 78 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Memorial Day

    Memorial Day: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 46. East wind around 9 mph.
Friday
Partly sunny, with a high near 65. East wind 10 to 16 mph, with gusts as high as 25 mph.
Friday Night
Mostly cloudy, with a low around 49. East wind 9 to 14 mph, with gusts as high as 24 mph.
Saturday
Mostly cloudy, with a high near 71. East wind 6 to 8 mph.
Saturday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 51. East southeast wind around 6 mph becoming calm after midnight.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 53.
Memorial Day
Sunny, with a high near 85.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Sunny, with a high near 88.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 58.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Wednesday Night
Partly cloudy, with a low around 57.
Thursday
Mostly sunny, with a high near 82.
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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:
3:01 am CDT May 22, 2026
Forecast Valid:
3am CDT May 22, 2026-6pm CDT May 28, 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