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Events and Things to do in Diamond Bar, CA this weekend

Looking for things to do in Diamond Bar this weekend? Explore our real-time listings for the best concerts, nightlife, and food and drink experiences. From seasonal festivals and comedy shows to free activities, find your next plan with our constantly updated feed of Diamond Bar's most popular events.

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Things to do around Diamond Bar

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Frequently asked questions about Diamond Bar

What are the best events to attend this weekend in Diamond Bar?

The best events to attend this weekend in Diamond Bar include concerts, nightlife experiences, seasonal events, food and drink tastings, and live entertainment happening across the city. According to Eventbrite, some of the best events this weekend include:
  • PARENTAL ADVISORY
  • Alex Aster celebrates STARSIDE with Sara Hashem at B&N - HB
  • The Shroud of Turin: An Immersive Experience (4/1/26-4/30/26)
  • Marco-Does-A-GameShow (A fundraising event)

    • Which events are currently trending in Diamond Bar?

    Trending weekend events in Diamond Bar often reflect seasonal moments, nightlife demand, and popular neighbourhoods, including concerts, parties, and special themed events. The trending searches this month in Diamond Bar are:
  • egg hunt
  • easter egg hunt free
  • living trust and estate planning seminar
  • afghan concert

    • Which events are coming up in Diamond Bar this weekend?

    In addition to what's happening right now, there are many upcoming weekend events in Diamond Bar, including live shows, parties, food experiences, and limited-time events. Discover upcoming weekend events you won't want to miss:
  • Foodies + New Friends: Ontario Dinner Meet
  • Friday Nights in Cerritos: 30’s edition | Dinner with Strangers
  • Business Analyst (CBAP) Classroom Training in Lakewood, CA
  • CBAP® Exam Prep Weekend Classroom Training – IIBA® Aligned in Lakewood, CA

    • Are there free things to do in Diamond Bar this weekend?

    Yes — there are often free things to do in Diamond Bar this weekend, including live music, cultural events, seasonal activities, and community gatherings. Many events on Eventbrite are free or offer free entry options. These are some free events happening in Diamond Bar this weekend:
  • Free Events this weekend