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

55°F

13°C

Humidity 100%
Wind Speed Calm
Barometer 30.08 in (1018.0 mb)
Dewpoint 55°F (13°C)
Visibility 7.00 mi
Last update 26 Jun 5:53 am CDT
Extended Forecast for

Oshkosh WI

  • Today

    Today: Patchy fog before 7am. Otherwise, partly sunny, with a high near 75. Calm wind becoming east 5 to 8 mph in the morning.

    High: 75 °F

    Patchy Fog
    then Partly
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 57. East wind 3 to 7 mph.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 79. East wind 5 to 11 mph.

    High: 79 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 61. East southeast wind 5 to 7 mph.

    Low: 61 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 82. Southeast wind 8 to 15 mph, with gusts as high as 25 mph.

    High: 82 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Monday

    Monday: Mostly sunny and hot, with a high near 94.

    High: 94 °F

    Hot

  • Monday Night

    Monday Night: Partly cloudy, with a low around 76.

    Low: 76 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 96.

    High: 96 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
Patchy fog before 7am. Otherwise, partly sunny, with a high near 75. Calm wind becoming east 5 to 8 mph in the morning.
Tonight
Mostly clear, with a low around 57. East wind 3 to 7 mph.
Saturday
Mostly sunny, with a high near 79. East wind 5 to 11 mph.
Saturday Night
Partly cloudy, with a low around 61. East southeast wind 5 to 7 mph.
Sunday
A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 82. Southeast wind 8 to 15 mph, with gusts as high as 25 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70.
Monday
Mostly sunny and hot, with a high near 94.
Monday Night
Partly cloudy, with a low around 76.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 96.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 96.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly clear, with a low around 73.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 95.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Oshkosh WI
 44.02°N 88.56°W (Elev. 758 ft)
Last Update:
5:56 am CDT Jun 26, 2026
Forecast Valid:
6am CDT Jun 26, 2026-6pm CDT Jul 2, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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