Interest Guru

Weekly update

Mortgage rates, week of August 21, 2025

The 30-year fixed averaged 6.58%, unchanged from last week.

Average mortgage rates, 52 weeks to 2025-08-21Weekly Freddie Mac averages. The 30-year fixed was 6.58% in the week of 2025-08-21.5.5%6.0%6.5%7.0%7.5%Jan 2025AprJul30-year 6.58%15-year 5.69%
30-year fixed
6.58%
15-year fixed
5.69%
10-year Treasury
4.33%
Spread
2.25

The numbers behind the week

  • The 15-year fixed averaged 5.69%, down 0.02 points.
  • Four weeks ago the 30-year average was 6.74%.
  • Over the past 52 weeks the 30-year average has ranged from 6.58% to 7.04%.
  • The spread over the 10-year Treasury is 2.25 points, against an average of 2.38 across the history on this site.
Change from the previous week
Change from August 14, 2025Points
10-year Treasury yield+0.04
Spread over the Treasury-0.04
30-year mortgage rate+0.00

Each mortgage average is compared with the most recent daily Treasury yield on or before its date, so the split is approximate. The Treasury spread page explains the gap.