Today's mortgage refinance rates show a decline with rates for 30-year fixed refinance at 6.73% and 15-year fixed at 5.7%.The average rate for a 30-year fixed-rate mortgage refinance is currently at 6.73%, down from last week.The APR for a 30-year fixed-rate mortgage is 6.76%, indicating the all-in cost of the loan.20-year fixed refinance mortgage rates are at 6.53% with an APR of 6.57%.15-year fixed refinance rates stand at 5.7% with an APR of 5.75%.Jumbo mortgage refinance rates for 30-year fixed are at 7.17% and for 15-year fixed at 6.21%.Refinance rates differ from mortgage rates and can be slightly higher, especially for cash-out refinance loans.Consider refinancing to lower interest rates, monthly payments, pay off your mortgage sooner, or access home equity.Calculate the 'break-even point' to determine if refinancing makes sense based on closing costs and monthly savings.Having a strong credit score, monitoring mortgage rates, and exploring shorter loan terms can help secure the best refinance rates.