Coolest July 21 on record in Washington, D.C.

The mist, the showers, and a persistent breeze from the Atlantic resulted in historically chilly afternoon temperatures in the Washington, D.C. and Baltimore regions.

The high temperatures at all three area airports were lowest on record today for July 21. Reagan National Airport, the “warm” spot, hit 71. Dulles and BWI couldn’t even manage 70, topping out at just 69.

The previous records, all set in 1984, were 74 at Reagan National, 75 at Dulles, and 73 at BWI.

After 13 days at or above 95 degrees this month at Reagan National (and 19 of 21 days with temperatures at or above average), the relatively cool, damp weather generated few complaints.

Jason is currently the Washington Post’s weather editor. A native Washingtonian, Jason has been a weather enthusiast since age 10.


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