Mortgage rates are based on bonds and bonds don't like inflation.  When inflation reports are higher than the market expected, rates tend to rise, all other things being equal.   But today's inflation numbers were a bit lower than the median forecast.

Mortgage rates tend to fluctuate day by day. So if you’re planning to buy a home, it’s a good idea to keep a close watch on interest rates and weigh various mortgage options. One common type of mortgage is a conventional loan with a 15-year fixed interest rate.