Mortgage interest rates can make a significant difference in the cost of buying a home. A change in your rate can affect your monthly principal-and-interest payment and the amount of interest you could pay over the life of the loan.

As of August 27, 2026, Freddie Mac reported that the average rate for a 30-year fixed-rate mortgage was 6.66%, while the average 15-year fixed rate was 5.98%. These national averages can provide useful context, but they are not necessarily the rates individual borrowers will receive.

Your actual rate can depend on your credit profile, down payment, loan type, loan amount, points, lender, and broader financial-market conditions. Understanding these factors can make it easier to evaluate mortgage offers instead of trying to predict exactly where rates will go next.

Where Mortgage Interest Rates Stand in 2026

Freddie Mac's Primary Mortgage Market Survey reported the following national weekly averages in August 2026:

Week Ending30-Year Fixed15-Year Fixed
August 6, 20266.69%6.01%
August 13, 20266.67%5.96%
August 20, 20266.65%5.95%
August 27, 20266.66%5.98%

The figures show that current mortgage rates were relatively stable during August rather than moving sharply in one direction.

Freddie Mac's averages are based on mortgage applications submitted to lenders across the country. They are useful for tracking the broader market, but your personalized quote could be higher or lower.

How Mortgage Interest Rates Affect Your Payment

Even relatively small differences in interest rates can change the principal-and-interest portion of a monthly mortgage payment.

Consider a hypothetical $300,000, 30-year fixed-rate mortgage:

Interest RateApprox. Monthly Principal and Interest
6.0%$1,799
6.5%$1,896
7.0%$1,996
7.5%$2,098

These examples exclude property taxes, homeowners insurance, mortgage insurance, homeowners association fees, and other potential housing expenses.

The comparison shows why 30-year mortgage rates deserve attention when setting a homebuying budget. A higher rate does not change the home's purchase price, but it increases the cost of financing the same loan amount.

How Mortgage Rates Are Determined

Understanding how mortgage rates are determined requires separating market conditions from borrower-specific factors.

Mortgage lenders consider both.

Economic conditions influence the general rate environment available across the mortgage market. Then lenders evaluate individual applications and loan characteristics when determining the rate and terms they are willing to offer.

Credit Profile

Your credit history and credit scores can influence your mortgage rate.

The Consumer Financial Protection Bureau explains that higher credit scores generally make borrowers eligible for lower interest rates. Lenders also consider other financial information, including existing debt, income, savings, assets, and credit history.

That means two people applying for similar mortgages at the same time could receive different offers.

Checking your credit reports before applying may also give you time to identify and dispute errors that could negatively affect your credit profile.

Down Payment

Your down payment can influence both your interest rate and other borrowing costs.

According to the CFPB, a larger down payment generally reduces the lender's risk and may result in a lower interest rate.

However, a 20% down payment is not universally required. Some mortgage programs allow smaller down payments, while certain programs may offer qualified borrowers no-down-payment financing.

The right down payment depends on your available savings, loan program, closing costs, and broader financial situation.

Loan Type

Different mortgage programs can have different pricing and eligibility requirements.

Common choices include:

  • Conventional mortgages
  • FHA loans
  • VA loans
  • USDA loans
  • Jumbo mortgages

A borrower should compare similar loan types when evaluating lenders because switching programs can change the rate, mortgage insurance requirements, upfront fees, and other costs.

Loan Term

The length of the mortgage can affect the interest rate.

For example, Freddie Mac reported an average rate of 6.66% for 30-year fixed mortgages on August 27, 2026, compared with 5.98% for 15-year fixed mortgages.

A shorter term may come with a lower rate, but it typically requires a higher monthly principal-and-interest payment because the loan is repaid over fewer years.

Discount Points and Lender Credits

Mortgage rates can also change depending on how you structure upfront costs.

Discount points allow you to pay more upfront in exchange for a lower interest rate. The CFPB defines one point as 1% of the loan amount.

Lender credits generally work in the opposite direction. You receive money from the lender toward closing costs in exchange for accepting a higher interest rate.

This is why comparing advertised rates without checking points and credits can be misleading.

What Is Influencing Mortgage Rates in 2026?

Mortgage rates do not move because of one economic indicator. They respond to a combination of financial-market conditions, inflation expectations, monetary policy, and economic developments.

Inflation Remains Important

Inflation affects expectations about future interest rates and returns throughout financial markets.

The Federal Reserve aims for 2% inflation over the longer run. However, inflation remained above that level in mid-2026.

The Bureau of Economic Analysis reported that the Personal Consumption Expenditures price index increased 3.7% over the 12 months ending in July 2026. Excluding food and energy, the index increased 3.3%.

Persistent inflation can contribute to an interest-rate environment that keeps borrowing costs elevated, although mortgage rates do not move mechanically with a single inflation report.

Federal Reserve Policy Affects the Broader Rate Environment

The Federal Reserve does not directly set consumer mortgage rates.

Instead, it sets a target range for the federal funds rate and uses monetary policy to pursue maximum employment and stable prices. Those decisions can influence broader financial conditions and market expectations, which can indirectly affect mortgage pricing.

At its July 29, 2026 meeting, the Federal Open Market Committee maintained the federal funds target range at 3.5% to 3.75%. The Fed also said inflation remained elevated relative to its 2% goal.

So a Federal Reserve rate decision should not be interpreted as an equivalent change in mortgage rates. Mortgage rates may move before or after Fed meetings as financial markets respond to economic data and expectations.

Bond-Market Conditions Matter

Fixed mortgage rates are also influenced by conditions in bond markets.

Mortgage-backed securities and Treasury yields respond to expectations about inflation, economic growth, monetary policy, and investor demand. Changes in these markets can feed through to the rates mortgage lenders offer.

This helps explain why mortgage rates can sometimes move even when the Federal Reserve has not changed its policy rate.

What Is the Mortgage Rate Forecast?

Any mortgage rate forecast should be treated as an estimate rather than a promise.

Rates can change as new information arrives about inflation, employment, economic growth, Federal Reserve policy, geopolitical events, and financial markets.

As of late August 2026, the most recent Freddie Mac data showed 30-year fixed rates holding in the mid-6% range, with weekly averages of 6.65% to 6.69% throughout August.

That recent stability does not guarantee rates will remain there.

For homebuyers, trying to identify the exact lowest point in the market can be difficult. A more practical approach may be to focus on affordability at the rate available when you are financially prepared to buy.

Fixed vs. Adjustable Mortgage Rates

Most borrowers will encounter both fixed- and adjustable-rate mortgage choices.

Fixed-Rate Mortgage

With a fixed-rate mortgage, the interest rate does not change during the loan term.

Fixed mortgage rates can make principal-and-interest payments more predictable because that portion of the payment remains the same.

Property taxes, homeowners insurance, and other housing expenses can still change.

Adjustable-Rate Mortgage

An adjustable-rate mortgage, or ARM, typically starts with an interest rate that is fixed for an initial period. After that, the rate may adjust according to the loan's terms.

Before choosing an ARM, review:

  • How long the initial rate lasts
  • How frequently the rate can adjust
  • The index and margin used to determine adjustments
  • Rate caps
  • How high the payment could potentially become

A lower initial ARM rate can be attractive, but borrowers should consider whether they could afford higher payments if the rate later adjusts upward.

Should You Wait for Mortgage Rates to Fall Before Buying?

Waiting for lower mortgage interest rates may sound appealing, but future rates cannot be known with certainty.

Your decision may depend more on factors such as:

  • Whether you have reliable income
  • Your credit and existing debts
  • Your available down payment and closing funds
  • The price of homes you are considering
  • Your expected monthly housing expenses
  • How long you expect to remain in the home
  • The mortgage terms available to you

A lower future rate could improve affordability, but other factors, including home prices and inventory, could also change while you wait.

Instead of basing a purchase entirely on a rate prediction, calculate what you can reasonably afford using current loan offers.

When Could Refinancing Make Sense?

Homeowners may also watch mortgage refinance rates to determine if replacing an existing mortgage could be worthwhile.

A refinance might be worth evaluating if you can obtain a meaningfully different rate or loan structure, but a lower advertised rate alone does not establish that refinancing will save money.

Refinancing typically involves closing costs and may reset or extend the repayment timeline.

Consider comparing:

  • Your existing interest rate
  • The proposed refinance rate
  • Closing costs
  • New monthly payment
  • Remaining balance and term
  • New loan term
  • How long you expect to keep the property

Calculating how long it may take for monthly savings to offset refinancing costs can help you evaluate the tradeoff.

How to Compare Mortgage Interest Rates

The CFPB recommends requesting Loan Estimates from at least three lenders when shopping for a mortgage.

For a meaningful comparison, try to compare the same loan type, term, loan amount, down payment, and similar rate-lock conditions.

Then review:

What to CompareWhy It Matters
Interest rateAffects your financing cost and principal-and-interest payment
APRReflects the interest rate plus certain additional loan costs
PointsMay lower your rate in exchange for higher upfront costs
Lender creditsMay reduce upfront costs in exchange for a higher rate
Origination chargesAdd to the cost of obtaining the mortgage
Monthly paymentHelps determine affordability
Cash to closeShows how much money you may need at closing
Fixed or adjustable rateDetermines whether the interest rate can change

Do not assume the lender advertising the lowest rate automatically offers the least expensive mortgage. Rates can be presented with different points, fees, credits, and borrower assumptions.

Frequently Asked Questions About Mortgage Interest Rates

What Are Mortgage Interest Rates Right Now?

As of August 27, 2026, Freddie Mac reported a national weekly average of 6.66% for 30-year fixed-rate mortgages and 5.98% for 15-year fixed-rate mortgages.

These are market averages, not guaranteed offers to individual borrowers.

Does the Federal Reserve Set Mortgage Rates?

No. The Federal Reserve does not directly set mortgage interest rates.

Its monetary-policy decisions can influence broader financial conditions, however, which can affect the bond markets and other factors involved in mortgage pricing.

Can a Higher Credit Score Lower Your Mortgage Rate?

It may. According to the CFPB, borrowers with stronger credit profiles generally qualify for lower interest rates than borrowers with lower scores, although credit is only one part of the lender's decision.

Does a Larger Down Payment Lower Your Interest Rate?

It can. The CFPB states that, generally, a larger down payment may result in a lower interest rate because it reduces risk to the lender.

The effect depends on the loan program, lender, and other characteristics of the application.

Is a 15-Year Mortgage Rate Lower Than a 30-Year Rate?

It often can be, but rates change with market conditions.

For example, Freddie Mac's August 27, 2026 averages were 5.98% for a 15-year fixed mortgage and 6.66% for a 30-year fixed mortgage.

The tradeoff is that repaying the loan over 15 years generally results in a higher monthly principal-and-interest payment for the same loan amount.

Will Mortgage Interest Rates Go Down?

They might, but no forecast can reliably guarantee the timing or size of future rate movements.

Mortgage rates respond to changing economic conditions, inflation expectations, monetary policy, bond markets, and other factors. Instead of depending on a specific forecast, homebuyers can compare current offers and determine whether the resulting payment fits their finances.

Focus on the Rate You Can Actually Qualify For

National mortgage averages and forecasts are useful for understanding the market, but they cannot tell you exactly what rate a lender will offer you.

Your credit profile, down payment, loan program, term, points, and lender can all affect your personalized mortgage interest rate.

If you are preparing to buy or refinance, compare similar Loan Estimates from multiple lenders rather than focusing on one advertised rate. Review the rate alongside APR, points, lender credits, closing costs, monthly payments, and cash required at closing.

That approach gives you a clearer picture of the actual cost of borrowing, regardless of where mortgage rates move next.