 Behind that, though, cooler and less humid into the upper 80s on Thursday and Friday. I'm WTOP's Steve Prince of Valley. Georgetown still at 85 degrees at this hour. Bowie, 78. Leesburg, 74. Some parts of our area could fall to the low 70s. But our dew point is at 72 degrees. That means high humidity in the air. The relative humidity, 70%.