Why This Matters
Average U.S. mortgage rates moved higher again as of May 18, 2026, pushing the typical 30-year loan well above 6%. That shift affects how far a housing budget can stretch, whether it still makes sense to refinance, and how quickly the market may cool or heat up this summer.
Mortgage rates respond to many forces at once, including Federal Reserve policy, inflation, global conflicts, and investor expectations. According to a recent MoneyWatch report citing Zillow data, rates have climbed more than half a percentage point since early March, even though the Fed left its key interest rate unchanged after a cut in December 2025.
The move comes at a time when home affordability remains a major concern. While today’s borrowing costs are lower than the peaks seen in 2023, when rates reached their highest level in more than two decades, they are still high enough to price some buyers out and to make refinancing a closer call for many homeowners.
Key Facts and Quotes
As of May 18, 2026, the average interest rate on a 30-year fixed mortgage is 6.49%, according to Zillow data reported by CBS News. The average 15-year mortgage rate is 6.00%. By comparison, on March 2, the averages were 5.75% for a 30-year loan and 5.25% for a 15-year loan.
The article explains that overseas conflicts have driven up oil prices, adding to inflation pressures. Investors, expecting inflation to stay firmer for longer, have demanded higher yields on the bonds that help set mortgage pricing. “That’s caused mortgage interest rates to grow by more than half a percentage point from where they were in early March,” the report noted.
On the refinancing side, the average 30-year refi rate is now 6.79%, while the average 15-year refinance rate is 5.91%, according to Zillow figures cited in the same report. The higher 30-year refi rate may make sense mainly for homeowners whose existing mortgage rate is well above 7%. The 15-year option can reduce total interest and shorten payoff time, but usually comes with a larger monthly payment.
Borrowers with stronger credit profiles may still find lower-than-average offers. The MoneyWatch report says that shopping around online has been shown to produce rates about half a percentage point below the published averages, especially when borrowers compare multiple lenders and loan terms side by side.
What It Means for You
For would-be homebuyers, this latest update means monthly payments on a typical loan will be higher than they were in early spring. It may be especially important now to review your budget, compare 15-year versus 30-year terms, and factor in property taxes, insurance, and other costs before deciding whether to move forward or wait.
Current homeowners weighing a refinance may want to run the numbers carefully. Closing costs, which can be several thousand dollars, may offset part of the benefit of a lower rate or a shorter term. Many experts recommend comparing offers from several lenders and, when possible, discussing options with a trusted loan officer or housing counselor before making a decision.
How are today’s higher mortgage and refinance rates changing the way you think about buying or staying put in your current home?
Sources
CBS News MoneyWatch, “What are today’s mortgage interest rates: May 18, 2026?”, published May 18, 2026; Zillow average mortgage and refinance rate data as cited in that report, accessed May 18, 2026; Federal Reserve public statements and historical interest rate data through October 2024 for background on rate trends.
