Published July 3, 2026 7:42 AM EDT Extreme heat continues Friday, triple digit temps on tap for 4th of July Record-breaking heat will continue on Friday with temperatures again slated to reach 104 degrees. The sweltering hot temperatures will remain on 4th of July before a noticeable cooldown next week. PHILADELPHIA - Triple digit heat will continue to bake the Philadelphia area on Friday, with added humidity that will make it feel even hotter.