U.S. mortgage rates remain elevated Friday, Aug. 7, with the average 30-year fixed mortgage rate rising to 6.69% in Freddie Mac’s latest weekly reading. Freddie Mac reported that the average 30-year fixed mortgage rate reached 6.69% as of Aug. 6, up from 6.66% the previous week and 6.58% on July 23. The average 15-year fixed mortgage rate slipped to 6.01% from 6.04%, although it remains above the 5.75% level recorded a year ago. 30-Year Mortgage Rate vs. 10-Year Treasury. For mortgage rates today, the key number to watch is the 10-year Treasury yield after the jobs report.