Hottest and Coldest Temperatures Ever in Philadelphia on August 20

On August 20th in Philadelphia, the weather showcased a range of temperatures throughout history. The hottest temperature on record for this date was a scorching 99.0°F in 1983, while the coldest temperature dipped down to 53.1°F in 1964. Typically, the average temperature for this day stands at 74.40°F, with an average high of 78.54°F and an average low of 70.25°F. In an interesting news tidbit from the past, we can reflect on the fact that in 1964, The Beatles made their first visit to the United States and sparked Beatlemania across the nation, making this date forever memorable for music fans.