Hottest and Coldest Temperatures Ever in Washington DC on October 04

On October 4th, Washington D.C. experienced varying temperatures throughout the years. In 1954, the city recorded its hottest temperature ever of 93.9°F, while in 1974, it faced its coldest temperature of 34.0°F. The average temperature for this date is usually around 64.29°F, with an average high of 70.47°F and an average low of 58.11°F. In an interesting news item from 1954, Jonas Salk's polio vaccine was declared safe and effective, marking a significant milestone in medical history and paving the way for the eradication of the disease.