Philadelphia broke a record on Saturday as it reached at least 101 degrees for the third day in a row. With Philadelphia hitting 101° today, that marks three straight days of 101° or higher. That is the first time that has ever happened with records going back to 1873. #PAwx— NWS Mount Holly (@NWS_MountHolly) July 4, 2026 The record goes back to 1873, when temperatures in Philadelphia began being recorded. The 4th of July marks at least the fourth days of the historic heatwave, with feel-like temperatures reaching above 110 degrees on Thursday and Friday. With the heat record now in the books, some scattered storms are possible for Saturday night. And Sunday will be a bit cooler, only a measly 92 degrees as a high. ...read more read less