Evans is dovish on monetary stimulus. "Our sense is that dovish Fed Presidents may well utilize easing inflationary pressures as an argument to highlight downside risks from here," said Derek Halpenny of Bank of Tokyo-Mitsubishi in a research note on Wednesday.
Read MoreTop Fed official: Rates should rise soon, gradually
Accenture will post earnings before Wall Street opens on Wednesday, followed by KB Home and Vail Resorts after markets close.
Other companies to watch include Home Depot, after the Wall Street Journal reported that the data breach at the home improvement retailer had led to fraudulent transactions across the U.S.
Read MoreHome Depot data breach triggers fraud
Plus, stocks of Citizens Financial Group—the spin-off the U.K.'s Royal Bank of Scotland—will be worth watching, after pricing at $21.50 per share in its market debut on Tuesday.
Market sentiment remains subdued after the U.S. and its Arab allies (Saudi Arabia, Qatar, Jordan, Bahrain and the United Arab Emirate) bombed militant groups in Syria for the first time this week, killing scores of Islamic State fighters.
Read MoreISIS airstrikes: Who are the US's Arab allies?
U.S. stocks declined on Tuesday, with the S&P 500 and Nasdaq falling for a third day to close at five-week lows.