"It's amazing out! We walked outside our building this morning and we thought we were in Florida," Donna Yuden says.
Yuden says she and her sister aren't sure what their plans are for Friday, only that they involve being outdoors.
"We're so excited just to walk around outside and sit outside," she says.
Bike Arlington says they expect to see a spike in the number of people using the rental program, Bikeshare.
But all good things must come to an end. Friday night, a cold front moves in bringing cooler weather just in time for the weekend.