https://quickmortgagecalculator.org/mortgage-rates/weekly/ One factual update per Freddie Mac survey release: the new 30-year and 15-year averages, how they moved, and what it means for a monthly payment. en-us https://quickmortgagecalculator.org/mortgage-rates/weekly/2026-08-13/ https://quickmortgagecalculator.org/mortgage-rates/weekly/2026-08-13/ Thu, 13 Aug 2026 12:00:00 GMT The average 30-year fixed mortgage rate fell to 6.67% for the week of August 13, 2026. Principal and interest on a median $416,000 home with 20% down: $2,141/month.