Weather in Sussex, WI
Updated 2026-09-26 10:00 local time · ZIP codes 53089
Partly Cloudy
No government weather alerts were returned for this location at the latest update.
Next hours
58°7% rain
61°10% rain62°10% rain63°9% rain
63°12% rain63°12% rain61°13% rain60°16% rain59°19% rain
56°21% rain55°23% rain54°23% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 23%).
It feels like 53°F with winds near 7 mph.
63°F, 9% rain chance and 9 mph wind.
Visibility is around 6 mi; gusts may reach 10 mph.
Current temperature is 58°F, wind 7 mph, rain chance up to 23%.
UV index is 2.
Local weather characteristics in Sussex
Wisconsin has warm summers, cold winters and strong Great Lakes influence near Lakes Michigan and Superior. Lake-effect snow can be important in favored areas.
Sussex is part of the Midwest weather region. The forecast point is near 43.13°N latitude and 88.22°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Sussex weather today
Partly Cloudy and 58°F in Sussex, WI. Today's high is 63°F with a 14% rain chance. Winds are around 7 mph with gusts near 10 mph. Relative humidity is 65%, pressure is 30.24 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Sussex
Sunrise is at 06:44 AM and sunset is at 06:43 PM. Tomorrow's forecast calls for Overcast with a high near 66°F and a low near 51°F. The maximum rain chance is 13%.