The average long-term mortgage rate in the United States has jumped significantly this week, reaching its highest level in more than six months. This sharp increase is driving up borrowing costs for prospective homebuyers during what is traditionally the busiest period for the housing market.
Rate Increase Details
The benchmark 30-year fixed-rate mortgage rose to 6.38% from 6.22% last week, according to data released by mortgage buyer Freddie Mac on Thursday. This marks a notable climb, with the last time the average rate being higher on September 4, when it stood at 6.5%. A year ago, the rate averaged 6.65%, showing some volatility in the market over the past twelve months.
Impact on Homebuyers
When mortgage rates rise, they can add hundreds of dollars per month to the costs for home shoppers, significantly limiting affordability. This comes at a critical time, as the spring and summer months are typically peak seasons for real estate transactions. The recent surge contrasts sharply with just four weeks ago, when the average rate had dropped to just under 6% for the first time since late 2022.
Factors Driving the Rise
The increase in mortgage rates is largely attributed to skyrocketing oil prices due to the ongoing war with Iran, which has fueled concerns about persistent high inflation. Mortgage rates are influenced by multiple factors, including the Federal Reserve's interest rate policy decisions and bond market investors' expectations for the economy and inflation. They generally follow the trajectory of the 10-year Treasury yield, which lenders use as a guide for pricing home loans.
As of midday Thursday, the 10-year Treasury yield was at 4.38%, up from around 4.26% a week ago, reflecting broader economic pressures.
Other Mortgage Types
Borrowing costs on 15-year fixed-rate mortgages, which are popular among homeowners refinancing their loans, also rose this week. The average rate for this type increased to 5.75% from 5.54% last week. A year ago, it averaged 5.89%, according to Freddie Mac.
This upward trend in mortgage rates underscores the challenges facing the US housing market, as higher borrowing costs could dampen buyer enthusiasm and slow market activity during a key sales period.



