Hottest and Coldest Temperatures Ever in Washington DC on July 27

On July 27th in Washington D.C., temperatures can range significantly. The hottest temperature on record for this date was 99.0°F in 1997, while the coldest temperature recorded was 60.1°F in 1962. On average, the temperature hovers around 79.52°F, with a typical high of 82.78°F and a low of 76.26°F. Interestingly, in 1997 when the highest temperature was documented, NASA's Pathfinder mission successfully landed a robotic rover named Sojourner on Mars, marking the first time a mobile device explored the surface of another planet.