Average U.S. long-term mortgage rates have edged up for a third straight week yet remained near historically low levels.

Average U.S. long-term mortgage rates have edged up for a third straight week yet remained near historically low levels.

Here's a look at rates for fixed and adjustable-rate mortgages this week and over the past year:

Current avg.Last week52-week high52-week low30-year fixed3.803.764.413.5915-year fixed3.073.053.472.925-year adjustable2.992.973.122.821-year adjustable2.442.452.522.35All values in percentage pointsSource: Freddie Mac Primary Mortgage Market Survey