Hottest and Coldest Temperatures Ever in Philadelphia on June 27
On June 27th in Philadelphia, temperatures have varied significantly over the years. In 1963, the city experienced its hottest recorded temperature of 97.0°F, while 1965 marked the coldest temperature of 50.0°F. The average temperature for this date is 75.42°F, with an average high of 80.01°F and an average low of 70.83°F. In an interesting news item from these years, the year 1965 saw the successful launch of the Early Bird satellite, also known as Intelsat I, which became the world's first commercial communications satellite, revolutionizing international telecommunications.