Weather in Summit Lake, WI
Updated 2026-09-26 11:00 local time · ZIP codes 54485
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
60°12% rain62°11% rain
63°8% rain
65°2% rain65°10% rain63°10% rain63°12% rain64°15% rain
59°17% rain56°19% rain55°21% rain53°22% 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 22%).
It feels like 53°F with winds near 8 mph.
65°F, 2% rain chance and 8 mph wind.
Visibility is around 6 mi; gusts may reach 12 mph.
Current temperature is 60°F, wind 8 mph, rain chance up to 22%.
UV index is 3. Sunscreen and sunglasses are sensible for longer outdoor time.
Local weather characteristics in Summit Lake
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.
Summit Lake is part of the Midwest weather region. The forecast point is near 45.38°N latitude and 89.19°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.
Summit Lake weather today
Overcast and 60°F in Summit Lake, WI. Today's high is 65°F with a 14% rain chance. Winds are around 8 mph with gusts near 12 mph. Relative humidity is 49%, pressure is 30.23 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Summit Lake
Sunrise is at 06:48 AM and sunset is at 06:47 PM. Tomorrow's forecast calls for Overcast with a high near 63°F and a low near 50°F. The maximum rain chance is 13%.