Ongoing uncertainty could cause rates to stay high, or increase further. For instance, if tariffs cause inflation to reignite, which most experts and Fed officials expect, it could result in higher bond yields and fewer interest rate cuts by the central bank. Both would be bad for mortgage rates.

Today's 30-year mortgage rate is 6.625%, with 15-year rates at 5.75%. Here's how to get the best rate and what we're watching this week.