Geography May 9, 2002 by toppharmacyschools · Published May 9, 2002 · Last modified May 9, 2024 Bel Air, Maryland Weather by Month Bel Air, Maryland, is a vibrant town located in Harford County, located in the heart of the Chesapeake Bay region. Located about 30 miles northeast of Baltimore, Bel Air is known for its rich...