Hottest and Coldest Temperatures Ever in Allentown on September 30

On September 30th in Allentown, the weather data reveals a range of temperatures. The record-breaking high temperature in 1953 was 87.1°F, while the coldest temperature in 1951 dipped to 33.1°F. The average temperature for this date is 59.67°F, with an average high of 64.45°F and an average low of 54.89°F. Looking back at the interesting news from those years, in 1953, the renowned scientist James D. Watson and Francis Crick discovered the double helix structure of DNA, which revolutionized the field of genetics and laid the foundation for modern biological research.