Dates: July 10, 1936

Location: Cumberland

Frederick, Maryland, also reached 109 degrees Fahrenheit on July 10, 1936. Cumberland, Maryland, reached 109 degrees Fahrenheit on August 7, 1918, and August 6, 1918. Keedysville, Maryland, reached 109 degrees Fahrenheit on August 6, 1918. Boettcherville, Maryland, reached 109 degrees Fahrenheit on July 3, 1898.