The dollar edged higher ahead of the outcome of the FOMC meeting.
The dollar index was up 0.15% at 98.93 at 02:45 ET.
The Fed is expected to leave monetary policy unchanged.
Investors are looking for any hints on the possibility of a June hike.
Investing.com’s Fed Rate Monitor Tool gives the odds of a June hike at 63.8%.
The dollar was above 112 yen with Japan closed for an extended holiday.
The euro edged lower but held the $1.09 mark ahead preliminary euro-zone Q1 GDP data.
Polls show market-friendly candidate Emmanuel Macron winning the French presidential run-off on Sunday.
The kiwi was steady against the dollar after upbeat New Zealand employment data.
The pound was under pressure at below $1.29.