Interest Guru

Weekly update

Mortgage rates, week of September 25, 2025

The 30-year fixed averaged 6.30%, up 0.04 points from last week.

Average mortgage rates, 52 weeks to 2025-09-25Weekly Freddie Mac averages. The 30-year fixed was 6.30% in the week of 2025-09-25.5.0%5.5%6.0%6.5%7.0%7.5%Jan 2025AprJul30-year 6.30%15-year 5.49%
30-year fixed
6.30%
15-year fixed
5.49%
10-year Treasury
4.18%
Spread
2.12

The numbers behind the week

  • The 15-year fixed averaged 5.49%, up 0.08 points.
  • Between the two readings the 10-year Treasury yield rose 0.07 points and the gap between it and the mortgage rate narrowed 0.03 points. Together those make up the 0.04-point move.
  • Four weeks ago the 30-year average was 6.56%.
  • Over the past 52 weeks the 30-year average has ranged from 6.26% to 7.04%.
  • The spread over the 10-year Treasury is 2.12 points, against an average of 2.37 across the history on this site.
Change from the previous week
Change from September 18, 2025Points
10-year Treasury yield+0.07
Spread over the Treasury-0.03
30-year mortgage rate+0.04

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.