Hottest and Coldest Temperatures Ever in Boston on August 09

On August 9th in Boston, the weather has seen extremes over the years. In 2001, the city experienced scorching heat with a record-breaking temperature of 97.0°F, while in 1964, it faced a chilly day with a low of 57.0°F. On average, the temperature for this date settles around 73.16°F, with a typical high of 77.18°F and a low of 69.14°F. Bostonians have endured both sweltering heat and cool temperatures on this day throughout history. Interestingly, in 1964, amidst the chilly weather, the Beatles made their U.S. debut on The Ed Sullivan Show, captivating millions of viewers and revolutionizing the music scene.