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

41°F

5°C

Humidity 82%
Wind Speed NE 9 mph
Barometer 29.67 in (1004.7 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 22 Mar 3:53 am CDT
Extended Forecast for

Oshkosh WI

  • Overnight

    Overnight: A 20 percent chance of rain. Mostly cloudy, with a steady temperature around 43. North northeast wind around 9 mph.

    Low: 43 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: A 10 percent chance of rain before 7am. Mostly cloudy, with a high near 40. North wind 10 to 13 mph, with gusts as high as 22 mph.

    High: 40 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 20. North wind 6 to 8 mph.

    Low: 20 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 40. North northwest wind 3 to 5 mph.

    High: 40 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 27. Light southeast wind becoming south 5 to 9 mph in the evening.

    Low: 27 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 48.

    High: 48 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of rain before 1pm. Mostly cloudy, with a high near 45.

    High: 45 °F

    Slight Chance
    Rain

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Slight Chance
    Rain

Detailed Forecast

Overnight
A 20 percent chance of rain. Mostly cloudy, with a steady temperature around 43. North northeast wind around 9 mph.
Sunday
A 10 percent chance of rain before 7am. Mostly cloudy, with a high near 40. North wind 10 to 13 mph, with gusts as high as 22 mph.
Sunday Night
Partly cloudy, with a low around 20. North wind 6 to 8 mph.
Monday
Sunny, with a high near 40. North northwest wind 3 to 5 mph.
Monday Night
Increasing clouds, with a low around 27. Light southeast wind becoming south 5 to 9 mph in the evening.
Tuesday
Mostly cloudy, with a high near 48.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
A 20 percent chance of rain before 1pm. Mostly cloudy, with a high near 45.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 35.
Thursday
A 30 percent chance of rain before 1pm. Mostly cloudy, with a high near 52.
Thursday Night
Mostly cloudy, with a low around 24.
Friday
Mostly sunny, with a high near 38.
Friday Night
Mostly clear, with a low around 25.
Saturday
Sunny, with a high near 46.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Oshkosh WI
 44.02°N 88.53°W (Elev. 748 ft)
Last Update:
3:56 am CDT Mar 22, 2026
Forecast Valid:
4am CDT Mar 22, 2026-6pm CDT Mar 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