Hottest and Coldest Temperatures Ever in Washington DC on October 21

On October 21st, Washington D.C. experiences varied temperatures, with the hottest recorded at 82.9°F in 1984 and the coldest at 30.0°F in 1952. The average temperature for this date is 56.88°F, with an average high of 62.09°F and an average low of 51.67°F. In 1984, a fascinating news item emerged when Apple launched its first Macintosh computer, revolutionizing the tech industry and setting the stage for future advancements in personal computing.