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.

A Few Clouds

63°F

17°C

Humidity 90%
Wind Speed N 7 mph
Barometer 29.93 in (1012.6 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 19 Aug 2:53 am CDT
Extended Forecast for

Oshkosh WI

  • Overnight

    Overnight: Patchy fog. Otherwise, partly cloudy, with a low around 61. North wind 3 to 5 mph.

    Low: 61 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 76. North wind 3 to 6 mph.

    High: 76 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 60. North northwest wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 78. Light west southwest wind becoming south southwest 5 to 9 mph in the afternoon.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 66. South southwest wind 8 to 10 mph. Chance of precipitation is 50%.

    Low: 66 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 77.

    High: 77 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 64. Chance of precipitation is 20%.

    Low: 64 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog. Otherwise, partly cloudy, with a low around 61. North wind 3 to 5 mph.
Wednesday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 76. North wind 3 to 6 mph.
Wednesday Night
Partly cloudy, with a low around 60. North northwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 78. Light west southwest wind becoming south southwest 5 to 9 mph in the afternoon.
Thursday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 66. South southwest wind 8 to 10 mph. Chance of precipitation is 50%.
Friday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 77.
Friday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 64. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Sunny, with a high near 75.
Sunday Night
Mostly clear, with a low around 60.
Monday
Mostly sunny, with a high near 76.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Oshkosh WI
 44.04°N 88.56°W (Elev. 758 ft)
Last Update:
2:37 am CDT Aug 19, 2026
Forecast Valid:
3am CDT Aug 19, 2026-6pm CDT Aug 25, 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