Hottest and Coldest Temperatures Ever in Allentown on October 17

On October 17, in Allentown, the average temperature is typically around 53.97°F, with the average high at 59.26°F and the average low at 48.68°F. In 1963, the highest temperature ever recorded was 80.1°F, while the coldest temperature occurred in 1961 at 32.0°F. A fascinating news item from that period is that in 1963, Martin Luther King Jr. delivered his iconic "I Have a Dream" speech during the March on Washington, a pivotal moment in the Civil Rights Movement.