US Mortgage Rates Climb Again as Iran Conflict Re-escalates

By Catherine Koh
NAHB Eye on Housing
August 6, 2026
Category: Finance & Economics
Region: United States

Re-escalation of the conflict in Iran pushed mortgage rates higher in July. According to Freddie Mac, the 30-year fixed-rate mortgage averaged 6.54% in July, up 5 basis points (bps) over June. Since the conflict in the Middle East began, the 30-year mortgage rate has climbed by almost 50 bps. The average 15-year rate averaged 5.91% in July, up 9 bps from June, and up 48 basis points since the end of February. Compared to a year ago, the 30-year rate remains lower by 18 bps, however, the 15-year rate is now higher by 5 bps. The 10-year Treasury yield, a key benchmark for long-term borrowing, rose 10 bps to an average of 4.58% in July as renewed attacks in the Strait of Hormuz heightened concerns about energy supplies and inflation. The yield rose sharply, ending July at 4.67%, 23 bps above its June closing level.

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