Hottest and Coldest Temperatures Ever in Washington DC on April 09

On April 9th in Washington D.C., the weather has shown a range of temperatures throughout history. The hottest recorded temperature was 90.0°F in 1959, while the coldest recorded temperature was 28.0°F in 1972. Typically, the average temperature for this date is 52.74°F, with an average high of 59.95°F and an average low of 45.54°F. An interesting event that occurred in the past relates to the year 1959 when the hottest temperature was recorded; during that time, the United States launched the first weather satellite, TIROS-1, revolutionizing the way we observe and study weather patterns.