Philadelphia, Pa. – A surge of summer heat will grip Pennsylvania on Thursday, July 24th, with highs reaching 89°F in Philadelphia before temperatures soar even higher by Friday. Residents and travelers across the region should prepare for a wave of sunshine, rising humidity, and a growing risk of showers and thunderstorms as the weekend approaches.
According to the National Weather Service, Thursday brings a sunny, sweltering day to the city, with winds from the south adding to the warmth. By Friday, highs will climb to a stifling 95°F, raising concerns about heat stress, especially along I-76 and major city roads. Storm chances increase by Friday night, when showers and thunderstorms may disrupt evening plans and impact late commuters.
Philadelphia and its surrounding counties should limit outdoor activity during peak heat, stay hydrated, and check on vulnerable neighbors. PennDOT urges drivers to remain alert for sudden downpours and potential ponding on roadways, especially by Friday night. If thunderstorms strike, seek shelter indoors and avoid flooded intersections.
The heat eases slightly Saturday, but more showers and storms are possible after 2 p.m., with a 50% chance of precipitation. Storm risks linger into Sunday and Monday, making this a weekend to stay weather-aware and flexible with outdoor plans.
Thunderstorms may bring locally heavy rain and brief gusty winds, so keep devices charged and monitor alerts. Drier, warmer weather is expected to return by Tuesday, July 29th.
Five Day Forecast for Philadelphia, PA (July 24–29):
- Thursday: Sunny, high near 89°F, south wind 5–10 mph.
- Friday: Sunny, high near 95°F. Showers and thunderstorms possible Friday night, low around 76°F.
- Saturday: Chance of afternoon showers/storms, partly sunny, high near 92°F. 50% chance of precipitation.
- Sunday: Showers likely, possibly a thunderstorm after 2 p.m., mostly cloudy, high near 84°F. 60% chance of rain.
- Monday: A chance of showers, mostly sunny, high near 89°F. 30% chance of precipitation.
