By Michael S. Derby NEW YORK (Reuters) -Philadelphia Federal Reserve President Patrick Harker said on Thursday he still expects the U.S. central bank to cut interest rates, but added that any sort of imminent move down isn't needed amid considerable uncertainty over the economic outlook.

At least four Federal Reserve officials are speaking Thursday, including Federal Reserve Bank of Boston President Susan Collins, Philadelphia Fed President Patrick Harker, Richmond Fed President Thomas Barkin,

Federal Reserve Bank of Philadelphia President Patrick Harker said officials are on track to lower interest rates this year, but the exact timing will depend on what happens with the economy.

Philadelphia Federal Reserve President Patrick Harker said on Thursday he still expects the U.S. central bank to cut interest rates but added that the policy path is clouded by considerable economic uncertainty.