National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Waukesha County Airport (KUES)

Lat: 43.04°NLon: 88.25°WElev: 886ft.

Overcast

46°F

8°C

Humidity 87%
Wind Speed N 12 mph
Barometer 29.91 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 5 Nov 5:45 pm CST
Extended Forecast for

Jefferson WI

  • This Afternoon

    This Afternoon: A 20 percent chance of showers. Cloudy, with a high near 53. North wind around 15 mph.

    High: 53 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 34. North wind 10 to 15 mph.

    Low: 34 °F

    Decreasing
    Clouds

  • Friday

    Friday: Increasing clouds, with a high near 47. North wind 10 to 15 mph.

    High: 47 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Mostly clear, with a low around 26. North wind around 5 mph becoming calm.

    Low: 26 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 51. Calm wind becoming west around 5 mph.

    High: 51 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 31. Calm wind becoming west around 5 mph.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 57. West wind 5 to 10 mph.

    High: 57 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 32. West wind around 5 mph becoming calm in the evening.

    Low: 32 °F

    Clear

  • Monday

    Monday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Cloudy, with a high near 53. North wind around 15 mph.
Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 34. North wind 10 to 15 mph.
Friday
Increasing clouds, with a high near 47. North wind 10 to 15 mph.
Friday Night
Mostly clear, with a low around 26. North wind around 5 mph becoming calm.
Saturday
Sunny, with a high near 51. Calm wind becoming west around 5 mph.
Saturday Night
Mostly clear, with a low around 31. Calm wind becoming west around 5 mph.
Sunday
Sunny, with a high near 57. West wind 5 to 10 mph.
Sunday Night
Clear, with a low around 32. West wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 63.
Monday Night
Mostly clear, with a low around 38.
Tuesday
Sunny, with a high near 58.
Tuesday Night
Mostly clear, with a low around 33.
Veterans Day
A 20 percent chance of rain. Mostly sunny, with a high near 56.
Wednesday Night
A 20 percent chance of rain. Partly cloudy, with a low around 34.
Thursday
Mostly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Jefferson WI
 43.01°N 88.81°W (Elev. 833 ft)
Last Update:
4:31 pm CST Nov 5, 2026
Forecast Valid:
5pm CST Nov 5, 2026-6pm CST Nov 12, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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