The yield (which moves inversely to the price) on the benchmark 10-year Treasury note traded about flat at 1.772 percent, while the yield on the 30-year Treasury bond barely budged to 2.603 percent. The 10-year yield hit its lowest level since March 1 earlier in the session.
In prepared remarks, Boston Fed President Eric Rosengren said futures markets are wrong, and the Fed likely should hike rates sooner than they imply.
Rosengren, who is historically considered to be about as dovish as Fed Chair Janet Yellen, said he expects a strong economy and full employment. He also said he expects inflation will rise gradually.
U.S. oil prices fell nearly 3 percent, settling at their lowest level since March 4.