Mortgage rates this week rose to the highest level since August, more bad news for home shoppers during what is usually the busiest time of the year for home sales. The average rate on a 30-year fixed mortgage rose to 6.51% this week, from 6.36% last week, Freddie Mac said Thursday.  Higher mortgage rates and expensive home prices are keeping many would-be buyers on the sidelines. Rising costs in many places for home insurance and property taxes have also spooked buyers.  The rise in mortgage rates this year marks a reversal from the second half of 2025. …But that brief momentum has stalled. The war in Iran and subsequent rise in oil prices have led to worries about inflation and dampened expectations for the spring home-buying season. Existing-home sales were flat in April, well below economists’ expectations. …Mortgage rates look poised to keep rising. [to access the full story a WSJ subscription is required]