Hottest and Coldest Temperatures Ever in Washington DC on October 20

On October 20th in Washington D.C., the weather has historically varied between extreme temperatures. The hottest temperature ever recorded on this date was 86.0°F back in 1969, while the coldest temperature reached 30.9°F in 1972. The average temperature for this day stands at 57.22°F, with an average high of 62.58°F and an average low of 51.86°F. In an interesting news item from that time, 1969 marked the year when the first message was sent over the precursor to the internet, known as ARPANET, leading to the creation of the modern internet we rely on today.