The 29-year-old is a free agent, having reached the end of a short-term deal at Fir Park.
Aberdeen manager Craig Brown is seeking a replacement for Rob Milsom who has been ruled out for the season after a knee operation.
Fellow midfielders Isaac Osbourne and Peter Pawlett are also sidelined for the next four weeks or so.
And this afternoon, the official AFC website RedWeb announced that Craig Brown has confirmed Hughes' arrival at Pittodrie tomorrow to commence training at the club for a couple of days.