At 0909 GMT (5:09 a.m. ET) futures for the S&P 500, Dow Jones futures and Nasdaq futures were 0.1 to 0.3 percent higher.
The main focus is on the two-day meeting of the U.S. Federal Reserve's policymaking committee on Tuesday and Wednesday, with Fed Chairman Ben Bernanke holding a press conference after it ends.
Investors will look for signs about the central bank's stance on monetary policy when the Fed's bond buying program stops in June.
Earnings news is also to be in the spotlight, United Parcel Service
Analysts expect Amazon.com Inc
In extended trading on Monday, shares of Netflix Inc
Also after the bell, pharmacy benefit manager Express Scripts Inc
Shale gas producers, Chesapeake Energy
Investors are to eye the U.S. S&P/Case-Shiller Home Price Index for February at 1300 GMT and at 1400 GMT is the release of both the U.S. Consumer Confidence for April and the Richmond Fed Manufacturing, Services Indexes for April.
U.S. crude futures fell more than $1 on Tuesday ahead of the Fed meeting, while silver dropped as traders covered risks ahead of an options expiry.
European Central Bank Governor Jean-Claude Trichet was quoted as saying he shares the view that a strong dollar is in the interest of United States.
European shares gained 0.3 percent on Tuesday, with financial stocks among the top performers after UBS
U.S. stocks fell on Monday in light volume after Kimberly-Clark
The Dow Jones industrial average <.DJI> dropped 0.2 percent, the Standard & Poor's 500 Index <.SPX> shed 0.2 percent, but the Nasdaq Composite Index <.IXIC> gained 0.20 percent.
(Reporting by Joanne Frearson; Editing by Erica Billingham)