July 2026 in O'Fallon, Illinois brings 20 live events across the city — from family to wellness to sports. 20 of the listed events are free. Here's what's on.
Family (13)Wellness (6)Sports (5)Workshop (4)Festival (3)Free (20)
All July 2026 Events
Frequently Asked Questions
What's happening in O'Fallon in July 2026?
There are 20 events in O'Fallon, Illinois in July 2026, including Adult Swim Lessons at Katy Cavins Community Center, Evening Swim Lessons at Katy Cavins Community Center, Summer Camp – Animals & Insects Week at Katy Cavins Community Center, Golf – SCORE Short Game School at Katy Cavins Community Center. Browse the full July 2026 calendar on VenuNite.
Are there free things to do in O'Fallon in July 2026?
Yes — 20 of the listed July 2026 events in O'Fallon are free, including concerts, open mics, and community events. Filter by price on the list above.
How do I find events in O'Fallon for a specific date in July 2026?
VenuNite lists every upcoming event in O'Fallon, Illinois with date filters. Use the date picker on this page to narrow July 2026 down to a single day or weekend.
