Philadelphia, PA – A period of unsettled weather will give way to a significant heatwave this week, with hot and humid conditions arriving just in time for the Juneteenth holiday and continuing through the weekend.
According to the National Weather Service, residents can expect a chance of showers and thunderstorms to develop Wednesday, primarily between 2 p.m. and 8 p.m. The likelihood of precipitation is 60 percent, which could lead to slick road conditions for the evening commute on major arteries like the Schuylkill Expressway (I-76) and I-95. Drivers should allow for extra travel time and remain aware of changing conditions. The high on Wednesday will be near 89 degrees.
The threat of rain clears out by Thursday, making way for a mostly sunny Juneteenth with a high near 92 degrees. The warming trend intensifies into the weekend, with mostly sunny skies and rising temperatures expected across the region. Friday will be sunny with a high near 86, but temperatures will climb back into the 90s for the weekend. Anyone with outdoor plans should take precautions against the heat.
Looking ahead, the heat is expected to build, with Sunday potentially being the hottest day of the period. PennDOT advises drivers to check tire pressure and fluid levels before traveling in extreme heat. Residents should prepare for an extended period of high temperatures and stay tuned for any heat advisories that may be issued.
Five-Day Forecast for Philadelphia:
- Wednesday: [Showers and Thunderstorms Likely] High: 89°F
- Thursday (Juneteenth): [Mostly Sunny] High: 92°F
- Friday: [Sunny] High: 86°F
- Saturday: [Partly Sunny] High: 92°F
- Sunday: [Mostly Sunny] High: 96°F
