Montclair Jazz Festival 2025 Calendar. Montclair jazz festival is happening on saturday, sep 14, 2025 from 1:00pm to 9:00pm in montclair, nj. The montclair jazz festival’s downtown jamboree will take place on sept.
The 14th annual montclair jazz festival returns to downtown montclair. We hope to see everyone on september 14th for the 15th annual montclair jazz festival.