Doubt that it would get rained out...
Think it gets suspended...
4.12
SUSPENDED GAMES.
(a) A game shall become a suspended game that must be completed at a future date if the game is terminated for any of the following reasons:
(1) A curfew imposed by law;
(2) A time limit permissible under league rules;
(3) Light failure or malfunction of a mechanical field device under control of the home club. (Mechanical field device shall include automatic tarpaulin or water removal equipment);
(4) Darkness, when a law prevents the lights from being turned on;
(5) Weather, if a regulation game is called while an inning is in progress and before the inning is completed, and the visiting team has scored one or more runs to take the lead, and the home team has not retaken the lead; or