G20 and FED prompted dollar to recover against its major traded rivals. The market is closely watching a meeting between Trump and Chinese leader Xi Jinping at the G20 summit on Saturday.
Sterling climbed off two-week lows on Wednesday on second Brexit vote hopes.
Pound weakened after Trump said that Brexit may hurt US-Britain trade. Sterling was the weakest performing major currency.
The euro edged higher to a two-week high on Monday as risk appetite picked up thanks to firmer oil prices.
Oil prices fell to their lowest in more than a year, on course for their biggest one-month decline since late 2014.