The game will be picked up at the same point on Wednesday before the teams play the finale of their series.
Phillies reliever Phillippe Aumont was warming up to start the bottom of the ninth when heavy rain began. The umpires decided to suspend it after 43 minutes.
Aroldis Chapman pitched the top of the ninth and retired the three Phillies he faced.
A storm moved through after both teams finished batting practice and delayed the start of the game by 1 hour, 20 minutes.
Philadelphia's Kyle Kendrick and Cincinnati's Homer Bailey allowed a pair of singles apiece.