Hottest and Coldest Temperatures Ever in Allentown on June 17

On June 17th in Allentown, Pennsylvania, weather varied throughout the years. In 1957, temperatures soared to an all-time high of 98.1°F, while in 1964, it dipped to a chilly 46.9°F, marking the lowest recorded temperature. For this date, the average temperature stands at 70.29°F, with an average high of 74.99°F and an average low of 65.59°F. A notable news item from those years is that in 1957, the Soviet Union successfully launched the first-ever artificial satellite, Sputnik 1, into orbit, leading to significant advancements in space exploration and sparking international competition.