Philadelphia, PA – Sunshine and surging heat will dominate southeastern Pennsylvania on Wednesday, pushing temperatures to 87°F by mid-afternoon and raising UV and air quality risks for residents in the Philadelphia metro. Commuters on I-95 and outdoor workers should prepare for limited shade and heightened sun exposure during peak daylight hours.
According to the National Weather Service, light winds from the southwest will increase by Wednesday afternoon, elevating temperatures and potentially impacting air quality in urban corridors. Skies remain clear through Wednesday night, with lows around 65°F and a calm breeze.
By Thursday, conditions remain dry and partly cloudy, but highs push close to 89°F. The humidity creeps up ahead of an approaching system expected to bring scattered showers to the region by Friday. The first round of precipitation may arrive after 2 p.m. Friday, with a 40% chance of rain and increasing into the night at 50%. Saturday holds the highest rain potential with widespread showers and thunderstorms likely after 2 p.m.
Drivers should watch for slick roads and possible flooding in low-lying areas from Friday evening into Saturday night. If you have outdoor plans or events, consider adjusting them for late Friday through Saturday due to weather disruptions.
🔎 Five-Day Forecast (June 3–June 7)
- Tuesday (June 3): Sunny, high 83°F. Calm winds.
- Wednesday: Sunny and warm, high near 87°F. Southwest winds 5–10 mph.
- Thursday: Mostly sunny, high 89°F.
- Friday: Chance of showers after 2 p.m., high 88°F. Showers increase into evening.
- Saturday: Thunderstorms likely, high 83°F. Showers continue overnight.
