 And then in the 80s on Friday, we ramp up the heat and humidity again this weekend and into early next week. 85 is a popular number on the map right now. Gaithersburg, Potomac, the district, and Fort Belvoir, all at 85 degrees. And it's brought to you by Dulles Glass. For all your glass, mirror, and shower door needs, visit dullesglass.com. Dulles Glass. Love your glass.