Hottest and Coldest Temperatures Ever in Washington DC on August 17

On August 17th in Washington D.C., weather records show extreme temperatures throughout history. The highest temperature ever recorded on this date was a scorching 105.1°F in 1997, while the coldest temperature dipped to a chilly 57.9°F in 1979. This day typically sees an average temperature of 78.31°F, with an average high of 82.16°F and an average low of 74.46°F. Fascinatingly, in 1997, the same year the hottest temperature was recorded, the International Space Station completed its first successful docking mission, marking a significant achievement in space exploration and collaboration among different nations.