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.

Mostly Cloudy

28°F

-2°C

Humidity 64%
Wind Speed E 8 mph
Barometer 30.46 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 1 Mar 4:45 pm CST
Extended Forecast for

Sussex WI

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 20. East wind around 5 mph becoming calm.

    Low: 20 °F

    Decreasing
    Clouds

  • Monday

    Monday: Sunny, with a high near 40. South wind 5 to 10 mph.

    High: 40 °F

    Sunny

  • Monday Night

    Monday Night: A slight chance of rain between midnight and 3am, then a slight chance of snow after 3am. Increasing clouds, with a low around 29. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 29 °F

    Partly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Tuesday

    Tuesday: A 50 percent chance of rain. Mostly cloudy, with a high near 43. Calm wind becoming east around 5 mph.

    High: 43 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 32. Calm wind becoming east around 5 mph after midnight.

    Low: 32 °F

    Chance Rain

  • Wednesday

    Wednesday: A 40 percent chance of rain. Mostly sunny, with a high near 44. East wind around 5 mph.

    High: 44 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 36. Northeast wind around 5 mph.

    Low: 36 °F

    Chance Rain

  • Thursday

    Thursday: A 50 percent chance of rain. Mostly cloudy, with a high near 49. East wind around 5 mph.

    High: 49 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming clear, with a low around 20. East wind around 5 mph becoming calm.
Monday
Sunny, with a high near 40. South wind 5 to 10 mph.
Monday Night
A slight chance of rain between midnight and 3am, then a slight chance of snow after 3am. Increasing clouds, with a low around 29. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Tuesday
A 50 percent chance of rain. Mostly cloudy, with a high near 43. Calm wind becoming east around 5 mph.
Tuesday Night
A 30 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 32. Calm wind becoming east around 5 mph after midnight.
Wednesday
A 40 percent chance of rain. Mostly sunny, with a high near 44. East wind around 5 mph.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 36. Northeast wind around 5 mph.
Thursday
A 50 percent chance of rain. Mostly cloudy, with a high near 49. East wind around 5 mph.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 38.
Friday
Rain. High near 63. Chance of precipitation is 80%.
Friday Night
Rain likely. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.
Saturday
A 20 percent chance of rain. Partly sunny, with a high near 54.
Saturday Night
Mostly clear, with a low around 35.
Sunday
A 20 percent chance of rain. Sunny, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sussex WI
 43.14°N 88.24°W (Elev. 951 ft)
Last Update:
4:17 pm CST Mar 1, 2026
Forecast Valid:
4pm CST Mar 1, 2026-6pm CDT Mar 8, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation