Thirty-year and 15-year mortgage rates held steady, while 5/1 ARM loan rates slipped a hair, according to a NerdWallet survey of mortgage rates published by national lenders Friday. Mortgage Rates Today, Friday, Sept. 30 (Change from 9/29) 30-year fixed: 3.60% APR (NC) 15-year fixed: 3.01% APR (NC) 5/1 ARM: 3.50% APR (-0.01) NAR: Pending home sales retreat...The article Mortgage Rates Today, Sept.