Mortgage rates hit 7.4% and climbing — here's why 8% is now a real possibility

Over the past month or so, the average rate on a 30-year fixed mortgage has surged a full percentage point to roughly 7.5%, reaching a three-year high, and economists are now treating 8% as a genuine possibility rather than a fringe outcome. The latest Freddie Mac weekly survey, released Thursday for the week ending October 8, put the benchmark rate at 7.40%, up from 7.28% the prior week and 6.30% a year ago. Before the U.S. and Israel launched military strikes on Iran at the end of February, mortgage rates had briefly fallen under 6% for the first time since 2022.

The damage to buyers is concrete. A borrower taking out a $400,000 home loan at 7.28% is paying about $276 more each month than a buyer who secured a rate near late February's brief low of 5.98%, MPA Magazine reported. Each full percentage-point rise can impose thousands to tens of thousands of dollars in additional annual borrowing costs, depending on the home's price, according to ABC News. The National Association of Realtors reported that August existing-home sales dropped 2% from July to a seasonally adjusted annual rate of 3.98 million units, the weakest pace recorded in more than a year.

There's clearly a trend. There's something meaningful happening with us moving into a higher-for-longer economy.— Daryl Fairweather, Chief Economist, Redfin

The most direct driver is the 10-year U.S. Treasury yield, which mortgage lenders use to price home loans. It reached 5.34% early Thursday — up sharply from 3.97% in late February — and averaged 5.28% for the week, according to Fox Business. The 10-year yield's rise over the three months through Wednesday was the steepest for any comparable quarter since 1994, MPA Magazine reported.

The U.S. attack on Iran on February 28 set off an oil shock that has rippled through inflation expectations and bond markets. Since the war began, the nationwide average gasoline price has climbed 50% to $4.48 per gallon, according to AAA data cited by ABC News. Treasury Secretary Scott Bessent has attributed much of the bond yield and mortgage rate rise to energy prices, and expressed optimism that rates will fall once the conflict ends.

I don't know if this conflict's going to end next week, next month, in two months, but I believe on the other side of this, energy prices will be much lower and interest rates, mortgage rates will come back down.— Scott Bessent, Treasury Secretary

But few economists think energy prices alone explain the surge. The geopolitical shock has compounded an economy that was already running hot. Gross domestic product grew 2.2% annually in the second quarter, driven in part by robust consumer spending. The Federal Reserve's preferred inflation gauge, the Personal Consumption Expenditures index, rose 3.4% year-over-year — well above the Fed's 2% target.

The geopolitical uncertainty is a huge part of it. We're talking about supply shock. That doesn't just touch oil, but probably everything else with trade.— Jake Krimmel, Senior Economist, Realtor.com

The Federal Reserve raised benchmark borrowing costs last week — its first rate increase since July 2023 — in response to the inflation surge. At a Washington press conference, Fed Chair Kevin Warsh said, 'The plain fact is that inflation is too high and has been for too long.' According to MPA Magazine, traders currently price in roughly a 60% chance that the Fed will raise rates again at its December meeting.

It's been elevated now for more than five years. I didn't think the inflation data today really changed that story for me very much.— Neel Kashkari, President, Minneapolis Federal Reserve

One less obvious force is the artificial intelligence investment boom. To finance data center construction, technology companies have been selling debt at a scale running into hundreds of billions of dollars. To bond investors, this AI-company debt can look attractive: it offers higher yields than government bonds and is frequently issued by companies with credit ratings nearly as good as — or in the case of Microsoft, even better than — the U.S. government's, according to Yahoo Finance. When investors shift money into AI-related debt and out of Treasurys and mortgage-backed securities, both yields and mortgage rates are pushed higher.

The AI spending boom does have, perhaps, a crowding out effect of other kinds of investment instruments that are similar.— Kara Ng, Senior Economist, Zillow

The U.S. national debt has crossed a record $40 trillion this year, according to Yahoo Finance. As yields rise, a larger share of government revenue must go toward interest payments on that growing debt pile — a dynamic that can itself scare investors away from Treasurys, pushing yields and mortgage rates higher still. Realtor.com senior economist Joel Berner called it "a wicked brew of inflation expectations, a broad bond market selloff, and rising fiscal deficits requiring new debt issuance."

A wicked brew of inflation expectations, a broad bond market selloff, and rising fiscal deficits requiring new debt issuance is pushing bond yields higher, and mortgage rates are following.— Joel Berner, Senior Economist, Realtor.com

The housing market is already showing the strain. Year-over-year declines in pending home sales were recorded in both August and September, before rates had even cleared the 7% mark, Fox Business reported. Price cuts by sellers are occurring at a pace unseen in four years, though cash buyers are finding favorable conditions, with prices down 1.4% year-over-year and for-sale inventory up 5.4% year-over-year. The 'lock-in effect' — where existing homeowners with low-rate mortgages are reluctant to sell and take on a much higher rate — continues to suppress supply.

There was one brief sign of relief Thursday. The daily index rate at Mortgage News Daily fell 0.09 percentage points — its biggest single-day drop in three months — after President Trump posted on social media that the U.S. would not attack Iran before the November 3 midterm elections, countering speculation that new strikes were being planned, according to the Deseret News. But Mortgage News Daily's Matthew Graham cautioned the move 'doesn't necessarily hearken additional downward momentum.'

Rates are now at their highest level in about three years, but they seem less intent on bulldozing through the 2023 high. The next move is more likely down than up, but our forecast for relief is modest.— Kara Ng, Senior Economist, Zillow

Zillow projects the 30-year fixed rate will ease to 7.1% by late 2026 and to 6.5% by late 2027 — a gradual improvement that would nonetheless leave borrowing costs well above the sub-6% levels that briefly prevailed in February. KPMG chief economist Diane Swonk offered a blunter assessment of the inflation picture underlying all of this: 'Cooler on paper, hot underneath. The measuring stick moved. The inflation problem did not.'

You're probably getting peak doom right now.— Kara Ng, Senior Economist, Zillow

Why it matters — For anyone buying, selling, or refinancing a home, rates at 7.4% and potentially heading toward 8% mean dramatically higher monthly payments and a housing market where affordability has deteriorated sharply in just eight months.

Reported by freddiemac.com, bankrate.com, finance.yahoo.com, foxbusiness.com, abcnews.com, mpamag.com, deseret.com