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

43°F

6°C

Humidity 87%
Wind Speed W 13 G 16 mph
Barometer 29.86 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 3 Apr 3:55 am CDT
Extended Forecast for

Sussex WI

  • Overnight

    Overnight: Patchy drizzle. Cloudy, with a low around 39. West wind around 10 mph.

    Low: 39 °F

    Patchy
    Drizzle

  • Friday

    Friday: Patchy drizzle before 7am. Cloudy, with a high near 51. West wind 5 to 10 mph becoming northeast in the afternoon.

    High: 51 °F

    Patchy
    Drizzle then
    Cloudy

  • Friday Night

    Friday Night: Showers and thunderstorms before 4am, then a chance of showers. Low around 37. East wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 37 °F

    Showers
    Likely then
    Showers

  • Saturday

    Saturday: A slight chance of showers before 7am, then a slight chance of showers after 4pm. Mostly cloudy, with a high near 53. Breezy, with a southeast wind 5 to 10 mph becoming west 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 20%.

    High: 53 °F

    Slight Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 32. Breezy, with a west wind 15 to 20 mph, with gusts as high as 25 mph.

    Low: 32 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 49. Northwest wind around 15 mph, with gusts as high as 25 mph.

    High: 49 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 34. West wind 5 to 10 mph.

    Low: 34 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 46. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 25 mph.

    High: 46 °F

    Mostly Sunny
    then Slight
    Chance
    Showers and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy drizzle. Cloudy, with a low around 39. West wind around 10 mph.
Friday
Patchy drizzle before 7am. Cloudy, with a high near 51. West wind 5 to 10 mph becoming northeast in the afternoon.
Friday Night
Showers and thunderstorms before 4am, then a chance of showers. Low around 37. East wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A slight chance of showers before 7am, then a slight chance of showers after 4pm. Mostly cloudy, with a high near 53. Breezy, with a southeast wind 5 to 10 mph becoming west 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 20%.
Saturday Night
Mostly cloudy, with a low around 32. Breezy, with a west wind 15 to 20 mph, with gusts as high as 25 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 49. Northwest wind around 15 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 34. West wind 5 to 10 mph.
Monday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 46. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 23.
Tuesday
Sunny, with a high near 42.
Tuesday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 29. Chance of precipitation is 20%.
Wednesday
A chance of rain and snow showers. Mostly cloudy, with a high near 59. Breezy. Chance of precipitation is 40%.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 44.
Thursday
A 40 percent chance of showers. Mostly cloudy, with a high near 59.
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:
5:04 am CDT Apr 3, 2026
Forecast Valid:
5am CDT Apr 3, 2026-6pm CDT Apr 9, 2026
 
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