Historical weather data, all-time temperature records, and monthly climate averages for Kennedy Street, DC. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 4th in DC sits right in that transitional sweet spot — a 65° average high with nearly a coin-flip chance of rain. The date has seen wild swings over 75 years of records, from a balmy 85° in 1963 down to a bitter 25° low in 1965.
Kennedy Street has seen it all, from a scorching 106° on July 30, 2011 to a brutal -10° on January 17, 1982 — a 116-degree spread that tells you DC does nothing halfway. Single-day extremes include 7.37 inches of rain in June 2006 and 16 inches of snow in a single January 1966 storm.
Summer is the dominant season here, with average highs hitting 90° during the third week of July and staying in the upper 80s through August — and July is also the wettest stretch of the year at over an inch a week. If you're looking for the mildest visit, aim for May or September, when highs hover in the comfortable high-70s to low-80s. Winter is real but brief, bottoming out at a 43° average high in mid-January.