Hottest and Coldest Temperatures Ever in Washington DC on March 18

On March 18th in Washington D.C., the temperature reached a maximum of 81.0°F in 1989, making it the hottest recorded temperature for this date. Conversely, the lowest temperature ever experienced on March 18th was 19.0°F in 1993. On average, this day sees a temperature of 45.04°F, with a high of 51.51°F and a low of 38.57°F. In other news from the past, in 1993, the World Wide Web became publicly available, revolutionizing the way people access information and communicate globally.