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.

Mostly Cloudy

72°F

22°C

Humidity 82%
Wind Speed NE 6 mph
Barometer 30.05 in (1016.6 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 5 Sep 6:53 pm CDT
Extended Forecast for

Chilton WI

  • Tonight

    Tonight: Mostly clear, with a low around 57. East northeast wind 3 to 6 mph.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 77. East wind 3 to 7 mph.

    High: 77 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 56. East southeast wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Partly Cloudy

  • Labor Day

    Labor Day: Mostly sunny, with a high near 79. Light south southeast wind increasing to 5 to 10 mph in the morning.

    High: 79 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 61. South southeast wind around 8 mph.

    Low: 61 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 81.

    High: 81 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 68. Chance of precipitation is 70%.

    Low: 68 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 81.

    High: 81 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 57. East northeast wind 3 to 6 mph.
Sunday
Mostly sunny, with a high near 77. East wind 3 to 7 mph.
Sunday Night
Partly cloudy, with a low around 56. East southeast wind around 5 mph becoming calm in the evening.
Labor Day
Mostly sunny, with a high near 79. Light south southeast wind increasing to 5 to 10 mph in the morning.
Monday Night
Mostly cloudy, with a low around 61. South southeast wind around 8 mph.
Tuesday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 81.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 68. Chance of precipitation is 70%.
Wednesday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 81.
Wednesday Night
Partly cloudy, with a low around 59.
Thursday
Mostly sunny, with a high near 75.
Thursday Night
Mostly clear, with a low around 55.
Friday
Sunny, with a high near 77.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 59.
Saturday
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chilton WI
 44.02°N 88.17°W (Elev. 850 ft)
Last Update:
3:26 pm CDT Sep 5, 2026
Forecast Valid:
7pm CDT Sep 5, 2026-6pm CDT Sep 12, 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