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.

A Few Clouds

82°F

28°C

Humidity 58%
Wind Speed SW 9 mph
Barometer 30.07 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 14 Jul 1:45 pm CDT
Extended Forecast for

Sussex WI

  • This Afternoon

    This Afternoon: Sunny, with a high near 85. Southwest wind around 5 mph.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 64. Southwest wind around 5 mph becoming calm in the evening.

    Low: 64 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87. Light southwest wind increasing to 5 to 10 mph in the morning.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 70. South wind around 5 mph becoming calm in the evening.

    Low: 70 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. Calm wind becoming south around 5 mph in the morning.

    High: 86 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63. Northwest wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 63 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 10am. Mostly cloudy, with a high near 72. North wind 5 to 10 mph. Chance of precipitation is 30%.

    High: 72 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 57. Northeast wind 5 to 10 mph.

    Low: 57 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 85. Southwest wind around 5 mph.
Tonight
Clear, with a low around 64. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 87. Light southwest wind increasing to 5 to 10 mph in the morning.
Tuesday Night
Mostly clear, with a low around 70. South wind around 5 mph becoming calm in the evening.
Wednesday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. Calm wind becoming south around 5 mph in the morning.
Wednesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63. Northwest wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A chance of showers, with thunderstorms also possible after 10am. Mostly cloudy, with a high near 72. North wind 5 to 10 mph. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 57. Northeast wind 5 to 10 mph.
Friday
Mostly sunny, with a high near 74.
Friday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 60.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 79.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 79.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sussex WI
 43.14°N 88.24°W (Elev. 951 ft)
Last Update:
1:38 pm CDT Jul 14, 2025
Forecast Valid:
2pm CDT Jul 14, 2025-6pm CDT Jul 20, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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