Hottest and Coldest Temperatures Ever in Boston on May 09

On May 9th in Boston, the weather has seen extremes in the past. The hottest recorded temperature on this date was 95.0°F in 1979, while the coldest recorded temperature was 35.1°F in 1977. On average, the temperature for May 9th is around 55.69°F, with a high of 61.19°F and a low of 50.19°F. In 1979, interestingly, this date coincided with the infamous Disco Demolition Night at Comiskey Park in Chicago, where a disco record burning event led to a riot during a doubleheader baseball game between the Chicago White Sox and the Detroit Tigers.