Today’s average mortgage rate on a 30-year fixed-rate mortgage is 6.55%, down 2.24% from the previous week, according to the Mortgage Research Center. Borrowers may be able to save on interest costs by going with a 15-year fixed mortgage,

Mortgage refinance rates edged down again today, giving some relief to homeowners looking to lock in better terms. According to data, 30-year refinance rates fell to 6.6%, continuing a downward trend for August. Here’s a breakdown of today’s average rates by loan type:

Rates on 30-year mortgages fell to 6.63%, the lowest since April, from 6.72% last week, while 15-year rates dropped to 5.75% from 5.85%.