Last updated December 21, 2019

Heat records set: D.C., Dulles, and Baltimore all soar to 100 degrees

United States

At 3:51 p.m., the high temperature in Washington, D.C., measured at Reagan National Airport, touched 100 degrees, tying the record for the date from 1930. It marked the hottest temperature in the District since July 26, 2012, when it was also 100.

The heat index in D.C., what it feels like factoring in humidity, had surged as as high as 113 degrees (at 2 p.m. when the air temperature was 97 and the dew point 77).

At 2:40 p.m., Baltimore also hit 100 degrees, tying the daily record high set in 2010.

Just seven minutes later (at 2:47 p.m.) Dulles Airport topped out at 100, breaking the old record of 98 degrees from 2010.

The 100-degree highs in Baltimore, set at Thurgood Marshall Baltimore-Washington International Airport, and at Dulles marked their highest temperatures since July 18, 2012, when they hit 104 and 101, respectively