Oct31Sat
Trick-or-Treating at MainPlace Mall
Free trick-or-treating at the mall's participating stores; look for the sign in the window.
On set dates
212 events
Oct30Fri
Villa Park Halloween Fest
A neighborhood Halloween tradition since 2002, with contests and activities for costumed kids.
Oct14Wed
Halloween Animal Art Preschool Class
A preschool class for ages 3-4 with Halloween crafts and animal visits. $5 per child; register by phone.
Oct19Mon
The Great Pumpkin Weigh Off
Local growers compete for the prize for the biggest pumpkin while the pumpkin patch's regular activities stay open.
Oct24Sat
Halloween Zoo-tacular at the OC Zoo
Trick-or-treat, hunt for clues and make spooky crafts while the animals get treat-stuffed pumpkins. Free with zoo admission ($2).
Oct29Thu
Treats in the Streets: Old Towne Orange Autumn Festival
Costumed families trick-or-treat around the historic Plaza, with entertainment, games and food.
Oct14Wed
Hana Field Pumpkin Patch
Pick pumpkins and flowers, wander the flower fields, try the Jurassic Fright corn maze and visit the barnyard. A stroller or wagon helps with the haul.
Oct14Wed
Seasonal Adventures Pumpkin Patch at the OC Fairgrounds
A fairgrounds pumpkin patch with inflatables, small rides, a petting zoo and a train, plus seasonal decor and a market for squash and gourds.
Oct15Thu
Farmers Market at the OC Fair & Event Center
A weekly Thursday farmers market in Lot D of the OC Fair & Event Center. No market is listed for Thanksgiving week.
Oct15Thu
The Ranch Discovery Day
A Discovery Day at The Ranch Community Center, which celebrates horses, ranching and nature.
Oct16Fri
Altego
A Pop music event at Time Nightclub. Tickets and details through Ticketmaster.
Oct16Fri
OC Japan Fair
A multi-day celebration of Japanese culture across the fairgrounds.
Oct17Sat
Make It, Take It: Repurposing Pumpkins into Succulent Planters
A hands-on craft workshop turning pumpkins into succulent planters.
Oct17Sat
TOKiMONSTA
A Dance/Electronic music event at Time Nightclub. Tickets and details through Ticketmaster.
Oct21Wed
Newport-Mesa Unified School District College and Career Fair
A college and career fair hosted by Newport-Mesa Unified School District.
Oct22Thu
Fight Club OC
A hybrid boxing and MMA fight night.
Oct23Fri
Eli & Fur
A Dance/Electronic music event at Time Nightclub. Tickets and details through Ticketmaster.
Oct24Sat
6th Annual All Abilities Celebration
A day of shows, workshops and information tables designed to be accessible to everyone, with an ASL interpreter. Parking is paid.
Oct24Sat
Benny Benassi
A Dance/Electronic music event at Time Nightclub. Tickets and details through Ticketmaster.
Oct24Sat
Boo Ha Ha: Zombie Homecoming
A zombie-themed Halloween event at the OC Fair & Event Center.
Oct24Sat
Halloweekend at The Crossing
A free, monster-mash-themed afternoon of candy and games for families.
Oct24Sat
Orange County Fall International Open IBJJF Jiu-Jitsu Championship 2026
A two-day IBJJF jiu-jitsu championship.
Oct25Sun
OC Day Party
A Dance/Electronic music event at Time Nightclub. Tickets and details through Ticketmaster.
Oct26Mon
Bring Your Own Baby Tour & Tea
A half-hour stroller tour of the museum for parents of babies up to one year, followed by free tea. Free tickets are required.
Running all season
29 listingsSeasonMulti-week
Pumpkin City
Pumpkin patch with pony rides, a petting zoo, carnival games and kiddie rides.
SeasonMulti-week
Haunted San Juan Capistrano Tours
A guided ghost walk through old San Juan Capistrano, with stops under century-old pepper trees, stories from the Los Rios district and a walk toward the historic Mission.
SeasonMulti-week
First Thursdays Art Walk
On the first Thursday of each month, Laguna Beach galleries stay open late for a free, self-guided art walk.
SeasonMulti-week
20 Years Later: The Great Picture
A City of Irvine exhibit at Irvine City Hall marking 20 years since The Great Picture.
SeasonMulti-week
Tanaka Farms Pumpkin Patch
Wagon rides on the 30-acre farm, pick-your-own pumpkins, a corn maze and a petting zoo.
SeasonMulti-week
Juan Manuel Gomez: In the Deep and All Together! (exhibition)
An exhibition by Juan Manuel Gomez, En Lo Profundo / In the Deep and All Together!, on view at the Irvine Fine Arts Center.