Hottest and Coldest Temperatures Ever in Philadelphia on November 18

On November 18th in Philadelphia, the weather typically ranges from a low of 39.49°F to a high of 51.01°F, with an average temperature of 45.25°F. However, in 1959, the city experienced a chilly day with the mercury dropping to a record low of 21.0°F. Conversely, in 1975, Philadelphia saw an exceptional high of 73.0°F, the hottest temperature ever recorded for that date. In other news from those years, 1959 marked the introduction of the first weather satellite, Vanguard 2, while 1975 saw the release of "One Flew Over the Cuckoo's Nest," which would go on to win five Academy Awards, including Best Picture.