Today's mortgage refinance rates show a decrease, with the rate on a 30-year fixed refinance at 6.75%.The average rate for a 15-year mortgage refinance is 5.62% and for a 20-year mortgage refinance is 6.51%.The average rate on a 30-year fixed mortgage refinance decreased by 0.01 point compared to last week.For a 30-year fixed-rate refinance mortgage of $100,000 at 6.75%, the monthly payment is around $649.The 20-year fixed mortgage refinance average rate is 6.51%, with a monthly payment of approximately $746 for a $100,000 loan.A 15-year fixed mortgage refinance has an average rate of 5.62%, with a monthly payment of about $824 for a $100,000 loan.Interest rates on 30-year fixed-rate jumbo mortgage refinance loans decreased to 7.13%.Refinance rates are typically slightly higher than mortgage rates; differences vary by program.Consider refinancing to lower your interest rate, reduce monthly payments, access home equity, or eliminate private mortgage insurance costs.An improved credit score and comparing loan estimates can help you secure a competitive refinance rate.