Philadelphia, Pennsylvania – Heavy rain and possible thunderstorms could snarl weekend travel plans in Philadelphia as a spring storm targets the region beginning Friday night. Commuters along I-95 and residents across southeastern Pennsylvania should prepare for wet roads, gusty winds, and potential afternoon thunderstorms Saturday.
According to the National Weather Service, light showers will begin late Friday with an 80% chance of heavier rain and storms arriving by Saturday afternoon. Winds could gust up to 20 mph, with rainfall totals between a quarter and half an inch. Drivers are urged to reduce speed on slick roadways and avoid flooded intersections.
Philadelphia will remain mostly dry through Friday afternoon with highs near 78°F. By Friday night, clouds increase and rain becomes likely. Saturday’s high will hover near 75°F, but conditions will shift rapidly with the approach of thunderstorms after 2 p.m. Winds will strengthen out of the southwest as the system moves through.
Sunshine returns Sunday with cooler air, topping out around 68°F. Expect mostly clear skies and a low of 48°F Sunday night. Monday and Tuesday bring calmer spring conditions—mostly sunny, with daytime highs in the low 70s and upper 70s, respectively.
5-Day Spring Outlook for Philadelphia:
- Friday: Mostly sunny, high 78°F → Showers likely by night (low 61°F)
- Saturday: Thunderstorms possible after 2 p.m., high 75°F
- Sunday: Sunny and cooler, high 68°F
- Monday: Sunny, high 73°F
- Tuesday: Mostly sunny, high 81°F
