<ul data-eligibleForWebStory="false">Today's rates for mortgage refinancing saw an increase on both 30-year and 15-year fixed loans.Average rates climbed to 6.81% for 30-year fixed refinance and 5.72% for 15-year fixed.Rates for 20-year fixed refinance mortgages rose to 6.65%. Comparison to last week provided.Jumbo mortgage refinance rates also showed an uptick. Expert outlook on future rates shared.