Located in the historic Northern Neck area of Virginia, Dahlgren is approximately 55 miles south of Washington, D.C., 60 miles north of Richmond, Virginia, and 28 miles east of Fredericksburg, Va. It is framed by water between the Potomac and Rappahannock rivers, and it is adjacent to the Chesapeake Bay. Dahlgren enjoys mild weather with average winter temperatures of 30 degrees and summer