Historical weather data, all-time temperature records, and monthly climate averages for Marquette, MI. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 4th in Marquette is a coin flip for winter's last stand — there's a 36% chance of snow, and the average high is just 41°. The date's range tells the whole story: a balmy 66° back in 1948, and a brutal 4° as recently as 1995. Pack layers if you're heading up.
Marquette's weather history is a study in extremes, spanning from a scorching 104° in July 1977 to a bone-cracking -33° in February 1861. That same brutal February dumped 18 inches of snow in a single day — a record that still stands over 160 years later.
Summer is short but genuinely pleasant, with late July averaging highs of 76° before temperatures begin their long slide back toward winter. By mid-January, expect highs around 24° — and plan accordingly. If rain is your concern, early-to-mid September is the wettest stretch of the year, averaging nearly an inch of precipitation per week.