 78 in Alexandria, 80 in Penn Quarter, 82 in Columbia, and 79 degrees outside the WTOP studios. Brought to you by Dulles Glass. For all your glass mirror and shower door needs, visit dullesglass.com. Dulles Glass, love your glass. Coming up on WTOP, danger on the beach and how to stay safe this holiday weekend and all summer. More news in 30 seconds.