Today's mortgage refinance rates for 30-year fixed loans stand at 6.82%, with 15-year and 20-year rates at 5.72% and 6.61%, respectively.The average APR for a 30-year fixed-rate mortgage refinance is 6.85%, with borrowers paying $653 per month for principal and interest.For a 20-year mortgage refinance of $100,000, borrowers pay around $752 per month in principal and interest at a rate of 6.61%.A 15-year fixed mortgage refinance averages around 5.72%, leading to a monthly payment of $829 for principal and interest.Refinancing a jumbo mortgage will cost borrowers with 30-year fixed rates around $673 per month per $100,000 borrowed.To determine if refinancing is right, compare current rates with existing terms and consider the potential long-term savings.Mortgage refinance brings benefits like lower rates, quicker payoffs, equity access, or removing PMI, but entails closing costs.National average mortgage rates may fluctuate, influencing the ideal time for refinancing in 2025.Experts suggest waiting until later in the year for potential mortgage rate decreases to secure the best refinance offer.To find the lowest refinance rate, maintain a solid credit score, reduce debt, and keep an eye on changing interest rates for various loan terms.