Mortgage Rates Hit Fresh 52-Week Highs as Traders Await Friday's CPI Report Ahead of Next Week's Fed Meeting

Mortgage rates have done nothing but climb since late August, when Fed Chair Kevin Warsh signaled openness to a September rate hike in a hawkish Jackson Hole speech. Today they're at levels not seen in more than a year, and the next 48 hours could decide whether they go higher still.

The Numbers, Two Ways

According to Zillow's lender marketplace, the average 30-year fixed rate jumped to 6.83% today, September 11, up 19 basis points from yesterday alone. The 15-year sits at 6.18%.

Freddie Mac's weekly survey, which lags and covers a full week rather than a single day, tells a similar story on a slower clock. It put the 30-year average at 6.71% for the week ending September 2, according to Freddie Mac, the highest weekly reading since July 2025. By September 10, that average had climbed further to 6.76%, a fresh 52-week high, as reported by 24/7 Wall St. A month earlier the same series stood at 6.69%. In February it was 5.98%.

Freddie Mac chief economist Sam Khater said in a September 3 statement that purchase demand has remained "relatively stable" despite the higher rates, suggesting buyers are adapting rather than bailing. Mortgage applications rose 0.8% for the week ending August 28, according to the Mortgage Bankers Association.

What's Driving It

Mortgage rates track the 10-year Treasury yield, and that yield has been climbing. It closed at 4.83% on September 9, the highest reading of the past year, according to Charles Schwab fixed-income strategist Colin Martin. CNN has separately described a 10-year yield spike to its highest level since October 2023, tied to a broader global bond sell-off driven by concern over the U.S.-Iran conflict, higher energy costs, and a national debt that has passed $40 trillion for the first time.

This is the backdrop heading into a consequential week. The Federal Open Market Committee meets September 15-16, and it hasn't moved rates in five straight meetings, holding at 3.5-3.75% since a cut effective December 11, 2025. As of early September, CME FedWatch Tool data showed traders pricing in roughly a 50% chance of a hike to 3.75-4%.

Martin told listeners on a podcast that a hotter-than-expected CPI reading, due out later this morning, "could result in a rate hike as soon as next week." Wharton finance professor Jeremy Siegel went further on CNBC on September 10, arguing Warsh has to hike. NPR's Scott Horsley and Michel Martin framed it similarly on Morning Edition today: this single inflation report could be a key factor in the Fed's decision.

Homebuilders Are Already Bleeding

The rate-sensitive part of the economy is showing the strain first. D.R. Horton, the country's largest homebuilder by volume, is down 10% over the past month and 22% over the past year, trading around $135.90. Lennar is down 10% over the month and 41% over the year, with its Class B shares down roughly the same.

The earnings explain why. D.R. Horton's cancellation rate rose to 20% from 17% a year earlier, according to the company's July 21 earnings call, with CEO David Auld citing affordability constraints and cautious consumer sentiment. Lennar's gross margin on home sales compressed to 15.6% from 17.8% in its second-quarter report, with buyer incentives running at 12.9% versus a normal 4% to 6%, according to CEO Stuart Miller.

Housing starts came in at 1.24 million annualized in July, down 12.4% from June, according to Commerce Department data. Pending home sales fell 2.3% in July from the prior month to the weakest level since the start of the year, according to the National Association of Realtors. NAR chief economist Lawrence Yun said elevated mid-summer mortgage rates pulled back contract signings. Housing analyst Ivy Zelman put it bluntly on the same podcast as Martin: builders "aren't feeling all that good about where rates are," and the market has been struggling for three and a half years.

The Refinance Freeze

Refinance activity, which spiked briefly earlier this year when rates dipped below 6%, has cooled again as rates approach 7%, according to Jeffrey Ruben, president of home lending at WSFS Bank. "[Refinance activity] even more so than home purchases is clearly impacted by interest rates," Ruben said.

Meanwhile, data from Rocket Mortgage, reported by the Washington Post, shows nearly 1 in 4 homeowners is paying down their mortgage faster than required. The homeowners who'd benefit most from that strategy, generally those still sitting on higher-rate loans, are the least likely to actually be doing it.

What's Next

Friday's CPI report, due later this morning, is the immediate catalyst. If it comes in hot, Colin Martin's warning about a hike "as soon as next week" moves from hypothetical to live possibility. The Fed's decision lands September 15-16. Mortgage rates, sitting at their highest point in over a year, will move first and move fast in either direction once that decision is public.