Hottest and Coldest Temperatures Ever in Philadelphia on March 17

On March 17th in Philadelphia, the temperature has historically ranged from a scorching high of 75.9°F recorded in 1990 to a chilling low of 18.0°F documented in 1967. The average temperature for this date stands at 41.93°F, with an average high of 48.13°F and an average low of 35.73°F. In 1967, alongside the frigid temperatures, an interesting news item from that year was that the world's first handheld calculator, the HP9100A, was introduced by Hewlett-Packard, revolutionizing computing technology.