Philadelphia – Memorial Day Weekend in Philadelphia has seen its fair share of weather extremes, with temperatures climbing as high as 92.75°F and rainfall totals nearing 3 inches—reminders that holiday plans can be at the mercy of the skies.
According to the National Weather Service in Mount Holly, the city’s hottest Memorial Day weekend on record was in 1991, when the mercury hit 92.75°F. The warmest overnight lows came in 2011 at 68.75°F. On the flip side, the coolest days dipped to 60.75°F in 2003, with the coldest low plunging to 46.5°F back in 1972.
Philadelphia’s wettest Memorial Day stretch occurred in 1982, with 2.93 inches of measurable rain falling across the Friday-to-Monday holiday. In 2003, all four days saw measurable rainfall—an unusual but impactful stretch that led to soaked parks and disrupted events citywide.
While this year’s forecast may not bring record-breaking heat or rainfall, residents should still monitor conditions closely. Outdoor events, road travel, and grilling plans could all be affected if any rain systems move through.
More updates will follow as the weekend approaches. Travelers and event-goers should stay tuned to local alerts and prepare for changing skies.


