Hottest and Coldest Temperatures Ever in Philadelphia on March 15

On March 15th, the weather in Philadelphia has seen a range of temperatures over the years. The hottest temperature ever recorded on this date was 81.0°F in 1990, while the coldest temperature was 10.9°F in 1993. The average temperature for March 15th stands at 42.84°F, with an average high of 49.44°F and an average low of 36.24°F. In 1990, the year with the highest recorded temperature, Philadelphia was making news for the opening of the Liberty Bridge, connecting the city to Camden, New Jersey, and enabling an easier commute for residents and tourists alike.