Hottest and Coldest Temperatures Ever in Philadelphia on April 17

On April 17 in Philadelphia, the weather can vary widely. The hottest temperature ever recorded on this date was 95.0°F in 2002, while the coldest temperature ever recorded was 27.0°F in 1962. The average temperature for this day is 53.89°F, with an average high of 60.06°F and an average low of 47.72°F. In 2002, when the temperature reached its record high, an exciting news item was the completion of the International Space Station's first resident crew, marking a milestone in space exploration and cooperation among nations.