Hottest and Coldest Temperatures Ever in Philadelphia on October 17

On October 17th in Philadelphia, the temperature soared to a record high of 82.0°F in 2016, while the chilliest temperature of 34.0°F occurred in 1961. Typically, the average temperature for this date hovers around 56.44°F, with an average high of 61.44°F and an average low of 51.44°F. Along with these weather details, an intriguing news tidbit from the past years reveals that in 1961, an astronaut named Yuri Gagarin became the first human to travel into space, capturing the world's attention and paving the way for future space exploration endeavors.