Today's average rate on a 30-year fixed mortgage is 6.64%, down from 6.76% yesterday.The average rate on a 15-year fixed mortgage is 5.72%, down from 5.97% last week.The average rate on a 30-year jumbo mortgage is 7.08%, down from 7.16% last week.Consider using a mortgage calculator to estimate your budget and compare rates from different lenders.