Hottest and Coldest Temperatures Ever in Allentown on July 04

On July 4th in Allentown, the weather has seen extremes over the years. In 1966, the highest temperature on record reached 100.0°F, while 1986 saw a chilly low of 50.0°F. On average, this date experiences a temperature of 74.0°F, with an average high of 78.33°F and an average low of 69.67°F. In an interesting news tidbit from these years, 1966 marked the launch of Luna 10, becoming the first spacecraft to orbit the Moon and transmitting valuable data back to Earth.