Hottest and Coldest Temperatures Ever in Allentown on August 15

On August 15th, Allentown experienced varying weather conditions over the years. The temperature on this date has ranged from a scorching 97.0°F in 1988 to a chilly 48.0°F in 1964. Normally, the average temperature hovers around 73.24°F, with a high of 76.77°F and a low of 69.70°F. Interestingly, in 1988, the same year as Allentown's highest recorded temperature, NASA launched the space shuttle Discovery, marking the first U.S. space mission following the Challenger disaster in 1986.