Mequon, in Wisconsin, United States, is home to roughly 23,100 people in the Central Time Zone at 43.2°N latitude.
In 2025, Mequon recorded an average annual temperature of 48°F. The hottest temperatures reached 97°F in June; the coolest were -10°F in January. Total precipitation for the year was 30 inches, with the wettest month being June. Snowfall for the year totaled approximately 10 inches.
View current conditions and forecast for Mequon · More cities in Wisconsin