It happened on the 1800 block of Cheltenham Avenue just before 4:00 a.m.
Police say a man wearing a red baseball cap approached a group outside Winston's Bar and opened fire striking three people.
A woman in her 30's was shot in the abdomen and arm. She was rushed to Einstein Medical Center where she is listed in critical condition. Two others remain hospitalized in stable condition.
Police have no motives or suspects in the shooting.
Anyone with information is asked to contact Philadelphia Police.