Hottest and Coldest Temperatures Ever in Philadelphia on October 21

On October 21st, Philadelphia experienced a range of temperatures. The hottest recorded temperature on this date occurred in 1984, reaching a scorching high of 82.9°F, while the coldest recorded temperature took place in 1952, plummeting to a chilly 28.0°F. On average, the temperature for this day is 55.42°F, with a high of 60.54°F and a low of 50.30°F. In other news from those years, in 1984, the historic Philadelphia Mint celebrated its bicentennial, marking 200 years of producing coins for the United States.