Hottest and Coldest Temperatures Ever in Washington DC on January 17

On January 17th in Washington D.C., temperatures have reached extreme ends in the past. In 1990, the hottest temperature ever recorded was 66.0°F, while in 1982, the coldest temperature dropped to -5.1°F. On average, this date experiences a milder climate with an average temperature of 33.87°F, a high of 40.71°F, and a low of 27.02°F. As they say, "weather is not climate," but it's fascinating to note that the year 1982, when a historic cold spell occurred in D.C., was also when The Weather Channel launched in the United States, revolutionizing the way people receive weather forecasts.