Hottest and Coldest Temperatures Ever in Pittsburgh on November 20

On November 20th in Pittsburgh, the weather can be quite varied. The hottest temperature ever recorded on this date was a sweltering 70.0°F back in 1953, while the coldest temperature registered was a bone-chilling 17.1°F in 1980. On average, Pittsburgh experiences a temperature of 41.63°F on November 20th, with a high of 49.68°F and a low of 33.59°F. In the midst of these temperature extremes, an interesting news item from 1953 reveals that the first successful heart surgery with the aid of a heart-lung machine was performed, marking a significant milestone in medical history.