Historical weather data, all-time temperature records, and monthly climate averages for Ypsilanti, MI. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 4th in Ypsilanti sits right on the edge of spring — expect a high near 52° and a low that can still dip to freezing. The date has seen everything from a balmy 71° back in 2010 to a brutal 16° in 1954, so don't pack away the layers just yet. There's a 42% chance of rain today, though snow is unlikely at just 5%.
Ypsilanti's weather has real teeth on both ends of the thermometer — the mercury has soared to 105° in June 2012 and plunged to -18° in February 2015, a 123-degree spread. A single August day in 2023 dumped 5.81 inches of rain, and an early November storm in 1951 buried the city under 8 inches of snow.
Summer is the sweet spot here — highs peak in the mid-80s from mid-July through August, making it Ypsilanti's most pleasant stretch for outdoor plans. Winter bites hard, with January and February highs barely cracking the low 30s. If rain is your concern, late summer is the wettest window, averaging nearly an inch a week in early August.