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

54°F

12°C

Humidity 67%
Wind Speed W 15 mph
Barometer 30.09 in (1018.3 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 19 May 9:53 pm CDT
Extended Forecast for

Oshkosh WI

  • Tonight

    Tonight: Mostly cloudy, with a low around 45. North northwest wind 9 to 13 mph, with gusts as high as 23 mph.

    Low: 45 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 58. North northwest wind 6 to 9 mph becoming east northeast in the afternoon.

    High: 58 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 42. East wind 7 to 9 mph.

    Low: 42 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 57. East wind around 9 mph.

    High: 57 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 44. East wind around 9 mph.

    Low: 44 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of sprinkles before 1pm, then a chance of showers after 1pm. Mostly cloudy, with a high near 59. Chance of precipitation is 40%.

    High: 59 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.

    Low: 47 °F

    Showers
    Likely

  • Saturday

    Saturday: A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 63.

    High: 63 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 45. North northwest wind 9 to 13 mph, with gusts as high as 23 mph.
Wednesday
Mostly sunny, with a high near 58. North northwest wind 6 to 9 mph becoming east northeast in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 42. East wind 7 to 9 mph.
Thursday
Partly sunny, with a high near 57. East wind around 9 mph.
Thursday Night
Mostly cloudy, with a low around 44. East wind around 9 mph.
Friday
A chance of sprinkles before 1pm, then a chance of showers after 1pm. Mostly cloudy, with a high near 59. Chance of precipitation is 40%.
Friday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.
Saturday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 63.
Saturday Night
Mostly cloudy, with a low around 49.
Sunday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 72.
Sunday Night
Mostly clear, with a low around 53.
Memorial Day
Sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 76.
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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:
10:08 pm CDT May 19, 2026
Forecast Valid:
10pm CDT May 19, 2026-6pm CDT May 26, 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