Mortgage and refinance interest rates today, March 18, 2026: Lower by a little

Rates slipped slightly lower today. The 30-year fixed rate fell four basis points to 6.08%, according to the Zillow lender marketplace. The 15-year fixed dropped by three basis points to 5.62%.  The 10-year Treasury yield, a benchmark for mortgage rates, has been moving generally lower since Monday. Today's mortgage rates Here are the current mortgage rates, according to the latest Zillow data: 30-year fixed: 6.08% 20-year fixed: 5.92% 15-year fixed: 5.62% 5/1 ARM: 6.28% 7/1 ARM: 6.14% 30-year VA ...