Clouds:Latest mid-Atlantic infrared satellite shows movement of clouds over past two hours. Refresh page to update. See more maps on our Weather Wall.

A weak cool front sagged south through the region today, triggering thunderstorms in central Virginia that just missed us.  The passing of that boundary to our south sets up a picture perfect close to the work week.

Through Tonight: Variably cloudy this evening, with a trend towards clearing late at night.   It’s pleasant to be out and about, with temperatures dropping through the 70s this evening.  Early morning lows range from the low-to-mid 50s in the cooler suburbs to near 60 downtown.

Tomorrow (Friday): Partly to mostly sunny skies and delightful.  With winds from the north, it’s about 5-8 degrees cooler than today, with highs in the mid-to-upper 70s.

See David Streit’s forecast through early next week. And if you haven’t already, join us on Facebook and follow us on Twitter . For related traffic news, check out Dr. Gridlock.

U.S. Department of Commerce, May 13 (John Sonderman via Flickr)

Pollen: Trees are HIGH, grasses are HIGH, mold spores are MEDIUM, and weeds are LOW.