The rate on a 30-year fixed refinance climbed today.The current 30-year, fixed-rate mortgage refinance rate is averaging 7.31%.For 20-year mortgage refinances, the average rate is 7.18%.At the current interest rate of 7.31%, borrowers with a 30-year, fixed-rate mortgage of $100,000 will pay $686 per month for principal and interest.The average interest rate on the 20-year fixed refinance mortgage is 7.18%.The 15-year fixed mortgage refinance is currently averaging about 6.33%.The average interest rate on the 30-year fixed-rate jumbo mortgage refinance is 7.21%.When you refinance, your new rate is based on current refinance rates and your loan term.Refinancing also may help you access your home’s equity or eliminate private mortgage insurance (PMI).It pays to have a strategy for finding the lowest rate when you want to refinance.