Arlington, D.C. and other points east will be under a Freeze Warning Saturday and Sunday.
The National Weather Service says a mass of cold air will bring freezing temperatures to the area, potentially damaging or killing sensitive plants.
More from NWS:
…FREEZE WARNING IN EFFECT FROM 10 PM SATURDAY TO 9 AM EST SUNDAY… THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON HAS ISSUED A FREEZE WARNING, WHICH IS IN EFFECT FROM 10 PM SATURDAY TO 9 AM EST SUNDAY. * TEMPERATURES…THE UPPER 20S AND LOWER 30S. * IMPACTS…FREEZING TEMPERATURES WILL LIKELY DAMAGE OR KILL SENSITIVE VEGETATION. PRECAUTIONARY/PREPAREDNESS ACTIONS… A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. &&
Freeze Warning for areas in purple for tomorrow night. Even though other areas are not in Freeze Warning, you're temps will be well below freezing. The growing season has ended there, so no more warnings. pic.twitter.com/rTKjtsUQA1
— Doug Kammerer (@dougkammerer) November 9, 2018