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Community Events and Things to do in Ontario, CA

Search for something you love or check out popular events in your area.

Going fast
Crash The City BigSad1900, R3 Da Chilliman, Vinny West and many more LIVE
Tomorrow at 7:00 PM
Pomona · The Fox Theater Pomona
Going fast
Crash The City BigSad1900, R3 Da Chilliman, Vinny West and many more LIVE
Tomorrow at 7:00 PM
Pomona · The Fox Theater Pomona
13th Annual Riverside Tamale Festival
Sat, Apr 18, 11:00 AM
Riverside · White Park
13th Annual Riverside Tamale Festival
Sat, Apr 18, 11:00 AM
Riverside · White Park
Cooper Museum Speaker Series: Charles Jenkins
Thu, Mar 26, 6:30 PM
Upland · 217 E A St
Cooper Museum Speaker Series: Charles Jenkins
Thu, Mar 26, 6:30 PM
Upland · 217 E A St
Almost full
Cultura | Paint, Sip & Sing: Dominguero Brunch Social y Familia
Sunday at 1:00 PM
Ontario · Alebrijes Bakery #3
Almost full
Cultura | Paint, Sip & Sing: Dominguero Brunch Social y Familia
Sunday at 1:00 PM
Ontario · Alebrijes Bakery #3
Taste of Claremont 2026
Sat, Apr 18, 5:00 PM
Claremont · The Claremont Colleges Services
Taste of Claremont 2026
Sat, Apr 18, 5:00 PM
Claremont · The Claremont Colleges Services
Rialto Juneteenth Jam 2026
Fri, Jun 19, 3:00 PM
Rialto · Alec Fergusson Park
Rialto Juneteenth Jam 2026
Fri, Jun 19, 3:00 PM
Rialto · Alec Fergusson Park
Her Moment Collective: A Women’s Empowerment Gathering
Sat, Mar 28, 1:00 PM
glendora · Britestar Tavern
Her Moment Collective: A Women’s Empowerment Gathering
Sat, Mar 28, 1:00 PM
glendora · Britestar Tavern
Lgbtq Plus Speed Dating Meetup to Make Connections
Tuesday at 6:00 PM
Riverside · Back To The Grind
Lgbtq Plus Speed Dating Meetup to Make Connections
Tuesday at 6:00 PM
Riverside · Back To The Grind
The Regency Masquerade Ball
Sat, May 16, 4:00 PM
Jurupa Valley · Crestmore Manor
The Regency Masquerade Ball
Sat, May 16, 4:00 PM
Jurupa Valley · Crestmore Manor
Cooper Museum Speaker Series: Chaffey Legacy in Australia
Thu, May 21, 6:30 PM
Upland · 217 E A St
Cooper Museum Speaker Series: Chaffey Legacy in Australia
Thu, May 21, 6:30 PM
Upland · 217 E A St
Riverside Pride Bar Crawl
Sat, Jun 20, 4:00 PM
Riverside · Palenque kitchen by Mezcal
Riverside Pride Bar Crawl
Sat, Jun 20, 4:00 PM
Riverside · Palenque kitchen by Mezcal
Gothic Tea Party hosted by Inland Empire Goth
Sat, Mar 28, 1:00 PM
Claremont · Claremont Center For Spiritual Living
Gothic Tea Party hosted by Inland Empire Goth
Sat, Mar 28, 1:00 PM
Claremont · Claremont Center For Spiritual Living
Sales end soon
Afternoon Tea Fundraiser for the Mission Inn Foundation
Saturday at 2:00 PM
Riverside · Historic Battles House of Riverside
Sales end soon
Afternoon Tea Fundraiser for the Mission Inn Foundation
Saturday at 2:00 PM
Riverside · Historic Battles House of Riverside
Cooper Museum Speaker Series: Cucamonga Valley Wine Growing
Thu, Apr 23, 6:30 PM
Upland · 217 E A St
Cooper Museum Speaker Series: Cucamonga Valley Wine Growing
Thu, Apr 23, 6:30 PM
Upland · 217 E A St
Anime Night Mart Moreno Valley Mall Apr. 18th & 19th (FREE EVENT ALL AGES)
Sat, Apr 18, 12:00 PM
Moreno Valley · Moreno Valley Mall
Anime Night Mart Moreno Valley Mall Apr. 18th & 19th (FREE EVENT ALL AGES)
Sat, Apr 18, 12:00 PM
Moreno Valley · Moreno Valley Mall
A Night Out in Riverside | Dinner + An Activity
Today at 4:00 PM + 287 more
Riverside · Restaurant of the Night
A Night Out in Riverside | Dinner + An Activity
Today at 4:00 PM + 287 more
Riverside · Restaurant of the Night
Courthouse, Murals, & Heroes Tour
Fri, Mar 27, 3:30 PM
Riverside · Mission Inn Foundation & Museum
Courthouse, Murals, & Heroes Tour
Fri, Mar 27, 3:30 PM
Riverside · Mission Inn Foundation & Museum
Olivewood Cemetery Tour
Sat, Apr 11, 10:00 AM
Riverside · Olivewood Memorial Park
Olivewood Cemetery Tour
Sat, Apr 11, 10:00 AM
Riverside · Olivewood Memorial Park
Sales end soon
LGBTQ+ Speed Dating hosted by Comedy Cupids
Tuesday at 6:00 PM + 9 more
Riverside · Back To The Grind
Sales end soon
LGBTQ+ Speed Dating hosted by Comedy Cupids
Tuesday at 6:00 PM + 9 more
Riverside · Back To The Grind
2026 Picnic in the Park
Fri, Jun 19, 5:00 PM + 2 more
Eastvale · Eastvale Community Park
2026 Picnic in the Park
Fri, Jun 19, 5:00 PM + 2 more
Eastvale · Eastvale Community Park

Trends in Ontario

Explore more trends

Explore more trends

Frequently asked questions about Ontario

What are the best events to attend?

According to Eventbrite, the best events are:

13th Annual Riverside Tamale Festival

Cooper Museum Speaker Series: Charles Jenkins

Taste of Claremont 2026

Rialto Juneteenth Jam 2026

Which events are currently trending in Ontario?

The trending searches this month in Ontario are:

ontario convention center

Which events are coming up?

Discover the best events happening soon – you don't want to miss them:

A Night Out in Riverside | Dinner + An Activity

Crash The City BigSad1900, R3 Da Chilliman, Vinny West and many more LIVE

Afternoon Tea Fundraiser for the Mission Inn Foundation

Cultura | Paint, Sip & Sing: Dominguero Brunch Social y Familia