Mortgage and refinance interest rates today, Sunday, May 31, 2026: Fixed rates edge lower, ARMs remain volatile

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According to rates from the Zillow lender marketplace, the current 30-year fixed rate fell 3 basis points to 6.33% , the 15-year fixed rate was unchanged at 5.79% , and the 5/1 ARM rose by 24 basis points to 6.45%. The 5/1 ARM rates have shown significant daily volatility over the last few weeks.

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Here are the current mortgage rates, according to the latest Zillow data:

Remember, these are the national averages and rounded to the nearest hundredth.

These are today's mortgage refinance rates, according to the latest Zillow data:

Again, the numbers provided are national averages rounded to the nearest hundredth. Mortgage refinance rates are often higher than rates when you buy a house, although that's not always the case.

Use the mortgage calculator below to see how various mortgage terms and interest rates will impact your monthly payments.