Mortgage and refinance interest rates today, Saturday, August 15, 2026: Rates falling this weekend

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According to average rates from the Zillow lender marketplace, mortgage rates are falling heading into the weekend compared to Friday.

The current 30-year fixed rate today, Saturday, August 15, 2026 , fell by 11 basis points to 6.54% , the 15-year fixed rate fell by 21 basis points to 5.86%, and the 5/1 ARM fell by 1 basis point to 6.24% .

Read more: Weekly survey of mortgage lenders with the lowest rates: Lower rates and stiff fees

Here are the current mortgage rates today, Saturday, August 15, 2026 , according to the latest Zillow data:

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

These are today's mortgage refinance rates, Saturday, August 15, 2026 , 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.