Primary Mortgage Market Survey® U.S. weekly average mortgage rates as of 12/18/2025 MCLEAN, Va., Dec. 18, 2025 (GLOBE NEWSWIRE) -- Freddie Mac (OTCQB: FMCC) today released the results of its Primary Mortgage Market Survey® (PMMS®), showing the 30-year fixed-rate mortgage (FRM) averaged 6.21%. “The average 30-year fixed-rate mortgage has remained within a narrow 10-basis point range over the last two months,” said Sam Khater, Freddie Mac’s Chief Economist. “With rates down half a percent over last year, ...