Hottest and Coldest Temperatures Ever in Allentown on June 09

On June 9th, Allentown experienced a range of temperatures spanning from a record high of 96.1°F in 2011 to a record low of 39.9°F in 1957. The average temperature for this date stands at 69.78°F, with an average high of 75.03°F and an average low of 64.53°F. In an interesting note from the past, in 1957, the year of the record low, Allentown witnessed the launch of the first artificial satellite, Sputnik 1, by the Soviet Union, marking a significant advancement in space exploration.