Sussex, WI Weather Forecast
Waukesha County, Wisconsin
Live radar, warnings and storm tracking for Sussex, with free alerts the moment it counts.
The next few hours
Taller, warmer bars mean heavier rain. Dotted means no reading for that hour.
Hour by hour
Sunrise and sunset
Next five days, scored 0 to 100The first day or two use the HRRR and NBM cloud layers. Later days only have total cloud, so treat them as a rough guide.
Know when sunset at this place will be worth a photo
We score every sunrise and sunset here from the cloud, haze and smoke forecast, and let you know when one is likely to light up. Sunrise the evening before, sunset a few hours ahead.
Seven-day outlook
Free alerts for Sussex
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
Sussex, WI at a glance
Sussex is home to about 12,162 people in Waukesha County, across 8.4 square miles. It ranks 82nd by population of 322 places in Wisconsin with a forecast here. The nearest neighbour with its own forecast is Lisbon, 2 miles away.
- County
- Waukesha County
- Population
- 12,162 2023 est.
- Land area
- 8.4 sq mi
- People per sq mi
- 1,443
- Forecast point
- 43.1349°N, 88.2260°W
How well can the network see Sussex?
The nearest Doppler radar is KMKX (Milwaukee, WI), to the SW. Its lowest scan passes about 1,100 ft above Sussex. That is about as close as US radar coverage gets: low-level rotation and gust fronts over Sussex show up clearly. Sussex is closer to its radar than 85% of US cities.
The closest weather station is KUES (Waukesha Cnty). Representative on most days, though a thunderstorm can hit one and miss the other.
Forecasts near Sussex
- Lisbon, WI2 mi
- Merton, WI4 mi
- Pewaukee, WI5 mi
- Menomonee Falls, WI6 mi
- Hartland, WI6 mi
- Richfield, WI7 mi
- Brookfield, WI7 mi
- Germantown, WI9 mi
Elsewhere in Wisconsin
MilwaukeeMadisonGreen BayKenoshaRacineAppletonAll Wisconsin forecasts →

