Historical weather data, all-time temperature records, and monthly climate averages for Allen Park, MI. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5 in Allen Park lands right in the thaw zone — historically, highs average 53° with lows still dipping to 33°. The date has seen wild swings over the years, from a balmy 73° back in 1955 to a brutal 16° low as recently as 2016. There's about a 1-in-3 chance of rain today, with only a slim 2% chance of any snow.
Allen Park plays for keeps when the weather gets extreme — summers have scorched to 104° (June 1988) and winters have plunged to -20° (January 1994), a 124-degree spread between the all-time highs and lows. A single June day in 2021 dumped 6.7 inches of rain, and December 1974 buried the area under 18 inches of snow in one storm.
Summer is the sweet spot here, with highs peaking around 85° the week of July 9–15, while mid-January is the heart of the cold with average highs barely cracking 31°. If you're trying to dodge rain, note that late June through early July is the wettest stretch, averaging nearly an inch of precipitation per week. Spring warms quickly — April highs average 59°, and by May you're already into the low 70s.