Through tonight: Hot and humid for the remainder of the day, with little cloud cover to speak of. Mostly clear overnight with warm and humid conditions. Dew points will actually rise into the upper 60s to low 70s overnight, with low temperatures ranging from 68 to 74 degrees and a light south wind at 5 mph. It stays warm and humid overnight on Monday, when low temperatures may not fall below 70 degrees in most spots. It stays hot and humid right through Wednesday, with conditions on Wednesday being on the oppressive side.

Source: Washington Post August 26, 2018 20:37 UTC