Current conditions at

Wittman Regional Airport (KOSH)

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

Fog

41°F

5°C

Humidity 100%
Wind Speed Calm
Barometer 30.39 in (1029.2 mb)
Dewpoint 41°F (5°C)
Visibility 0.25 mi
Last update 20 Oct 4:53 am CDT
Detailed forecast for

Winnebago County

Early This Morning
Mostly clear. Patchy fog. Temperatures in the mid to upper 40s. Light and variable wind.
Today
Mostly sunny. Widespread fog in the morning. Highs in the middle 60s. Light and variable wind.
Tonight
Mostly clear. Lows in the lower 40s. South wind 5 to 10 mph.
Wednesday
Mostly sunny. Highs in the upper 60s. Southwest wind 5 to 10 mph in the morning becoming light and variable.
Wednesday Night
Mostly clear. Patchy fog after midnight. Lows in the upper 40s. Light and variable wind.
Thursday
Sunny. Highs in the upper 60s. Light and variable wind.
Thursday Night
Clear. Lows in the middle 40s.
Friday
Mostly sunny. Highs in the middle 60s.
Friday Night Through Sunday
Partly cloudy. Lows in the lower 50s. Highs in the middle 60s.
Sunday Night
Partly cloudy. Lows in the upper 40s.
Monday
Mostly sunny. Highs in the upper 50s.



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432 AM CDT Tue Oct 20 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database