These are today's mortgage and refinance rates. Mortgage rates are the lowest they've been since December, but it's unclear where they'll go next.

The average rate on the 30-year fixed-rate mortgage fell 14 basis points, to 6.65%, in the week ending Feb. 27.

Trump could order the Treasury Department to start buying mortgage-backed securities, like when the Federal Reserve bought roughly $1.45 trillion of MBSs during the Great Recession. That was popularly known as quantitative easing. Buying MBS can reduce mortgage rates by increasing competition and increasing mortgage market liquidity.

The current average mortgage rate on a 30-year fixed mortgage is 6.63% with an APR of 6.66%, according to the Mortgage Research Center. The 15-year fixed mortgage has an average rate of 5.71% with an APR of 5.

These are today's mortgage and refinance rates. Mortgage rates are way down today, but it's unclear if they'll stay this low.