5 things to do in Montclair, CA — Tuesday, September 1, 2026

Picked each day from verified Montclair-area event calendars. Every listing links back to the organizer.

This story was assembled using AI and public data sources.

1. Toddler Boot Camp

   Community at Montclair Branch Library, starting 11 a.m.

   High-energy songs and movement for active toddlers.

   Details from the organizer

2. Craft Corner

   Community at Montclair Branch Library, starting 4 p.m.

   Create fun, themed art activities.

   Details from the organizer