Hottest and Coldest Temperatures Ever in Washington DC on July 15

On July 15th in Washington D.C., the weather history reveals interesting insights. The hottest temperature ever recorded on this date was a scorching 100.0°F in 1988, while the coldest temperature dipped to 60.1°F in 1987. The average temperature for this day stands at 79.23°F, with an average high of 82.50°F and an average low of 75.96°F. Amidst these climate patterns, an intriguing news item from the past emerges in 1988: NASA scientist James Hansen testifies to the U.S. Senate, raising concerns about global warming and predicting its consequences for the planet's future.