The SSE Airtricity League was disrupted on Friday evening due to the impact of Storm Babet in the Dublin area.
Both of the postponed games will instead be played on Sunday.
Leaders Shamrock Rovers will host Drogheda United with an 8pm kick-off at Tallaght Stadium.
UCD and Cork City will kick-off at 3pm on Sunday.
Shamrock Rovers’ trip to Cork – originally scheduled for Monday – has now been moved to October 30th.
Meanwhile, Derry City dropped two more points in the Premier Division title race on Friday night.
The Candystripes played for over an hour with 10 men after Sadou Diallo was sent-off in a scoreless draw with Shelbourne.
St Patrick’s Athletic struck a psychological blow against Bohemians ahead of next month’s FAI Cup final.
The Saints ran out 2-0 winners at Dalymount, while Bohemians lost Keith Buckley to injury before half-time.
Daryl Horgan and Sam Durrant found the net as Dundalk came away from 10-man Sligo Rovers with a 2-0 win.
