Some offers on this page are from advertisers who pay us, which may affect which products we write about, but not our recommendations. See our Advertiser Disclosure. According to the Zillow lender marketplace, fixed mortgage rates are higher today compared to Tuesday.
The average 30-year fixed rate today, Wednesday, August 12, 2026, is 6.65%, up 6 basis points since yesterday. The 15-year fixed loan is currently at 6.00%, 3 basis points higher than yesterday. The 5/1 ARM is 6.51%, 1 basis point lower than on Tuesday.
Read more: Weekly survey of mortgage lenders with the lowest rates: Lower rates and stiff fees Here are the current mortgage rates for Wednesday, August 12, 2026, according to the latest Zillow data: Remember, these are the national averages and rounded to the nearest hundredth. Read more: Learn about how mortgage rates are determined These are today's mortgage refinance rates for Wednesday, August 12, 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.
Use the mortgage calculator below to see how various interest rates and loan amounts will affect your monthly payments. It also shows how the term length plays into things. This embedded content is not available in your region.
You can bookmark the Yahoo Finance mortgage payment calculator and keep it handy for future use, as you shop for homes and the best lenders. You even have the option to enter costs for private mortgage insurance (PMI) and homeowners' association dues if those apply to you. These details result in a more accurate monthly payment estimate than if you simply calculated your mortgage principal and interest.
There are two main advantages to a 30-year fixed mortgage: Your payments are lower, and your monthly payments are predictable. A 30-year fixed-rate mortgage has relatively low monthly payments because you're spreading your repayment out over a longer period of time than with, say, a 15-year mortgage. Your payments are predictable because, unlike with an adjustable-rate mortgage (ARM), your rate isn't going to change from year to year.
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