Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97° N Lon: 88.56° W Elev: 801 ft.

Fair

42°F

6°C

Humidity 76%
Wind Speed NE 14 G 24 mph
Barometer 29.73 in (1006.5 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 22 Mar 4:53 am CDT
Detailed forecast for

Winnebago County

Early This Morning
Partly cloudy with a chance of light rain. Temperatures in the lower 40s. North wind 5 to 10 mph.
Today
Much colder. Mostly cloudy. A slight chance of light rain in the morning. Highs in the lower 40s. North wind 10 to 15 mph. Chance of rain 20 percent.
Tonight
Colder. Mostly clear. Lows in the upper teens. North wind 5 to 10 mph.
Monday
Sunny. Highs in the lower 40s. Light and variable wind becoming northwest around 5 mph in the afternoon.
Monday Night And Tuesday
Mostly cloudy. Lows in the middle 20s. Highs in the lower 50s. Southwest wind 10 to 15 mph.
Tuesday Night And Wednesday
Mostly cloudy. Lows in the lower 30s. Highs in the upper 40s.
Wednesday Night
Mostly cloudy. Lows in the middle 30s.
Thursday
Mostly cloudy with a 30 percent chance of light rain. Highs in the middle 50s.
Thursday Night
Colder. Mostly cloudy. Lows in the middle 20s.
Friday
Colder. Partly cloudy. Highs in the upper 30s.
Friday Night And Saturday
Mostly clear. Lows in the middle 20s. Highs in the upper 40s.



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423 AM CDT Sun Mar 22 2026
 
 

Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database