Low status/fog has been hanging out all day across some portions of MD, Extreme Northwest VA, and Eastern PA. The result has been a near 20 degree temperature gradient across west-central VA and southeast PA!
Some current temps as of 4PM across the area:
KSHD 67 (High unofficially 69)
KOKV 55 (High unofficially 61)
KIAD 60 (High unofficially 62)