Philadelphia, PA – Extreme heat and sudden downpours marked July 2025 across the Philadelphia region, with temperatures running 1–4°F above normal and rainfall surging in spots like Georgetown and Atlantic City.
According to the National Weather Service in Mount Holly, nearly every major city in eastern Pennsylvania, southern New Jersey, and Delaware finished July warmer than the 30-year average. Philadelphia hit 98°F on July 25 and 29, while Reading, Trenton, and Atlantic City also topped 97°F late in the month. Rainfall varied sharply—Georgetown, DE picked up over 9 inches, more than 5 inches above normal, while Allentown and Mount Pocono finished drier than average.
Cities along the coast saw the most dramatic rainfall spikes. Atlantic City airport measured 3.07 inches in a single day (July 31), pushing the city’s July total more than 3.6 inches above normal. Heavy downpours brought localized flooding on roadways like Route 30 and Route 9, especially during the final week of July.
Residents faced brief power outages and flooded basements, especially near low-lying creeks. NWS officials urge staying alert for sudden storms, charging devices, and avoiding flooded roads.
The heat is expected to persist into early August. Additional watches or warnings could be issued with any new storms.
