OCT24toNOV02Día de los Muertos Community Altar & ProcessionPromoted By: Ontario Recreation & Community ServicesOntario Museum of HistoryMultiple Days
OCT27toNOV04Day of the Dead Community DisplayPromoted By: George M. Gibson Senior Center (Gibson Senior Center)250 N 3rd Ave, Upland, CA 91786, USAMultiple Days
OCT27📚✏️ Homework ClubPromoted By: Pomona Public Library625 S Garey Ave, Pomona, CA 91766, USA3:30 pm-6:00 pm
OCT28FREEMini ScientistsPromoted By: Ontario Recreation & Community Services3850 E Riverside Dr, Ontario, CA 91761, USA5:30 pm-6:30 pm
OCT28FREETrick or Treat at the Pomona Public LibraryPromoted By: Pomona Public Library625 S Garey Ave, Pomona, CA 91766, USA3:00 pm
OCT28Kids Health EducationPromoted By: Community Resource Center696 W Holt Ave, Pomona, CA 91768, USA4:00 pm
OCT29Halloween Costume Contest & Trunk or TreatPromoted By: Ontario Recreation & Community Services303 E B St, Ontario, CA 91764, USA
OCT29Halloween Costume Contest & Trunk or TreatPromoted By: Ontario Community Life & Culture Agency303 E B St, Ontario, CA 91764, USA3:00 pm-8:00 pm
OCT29FREESpooky Science! Featuring FrankensteinPromoted By: City of Glendora140 S Glendora Ave, Glendora, CA 91741, USA3:30 pm
OCT29Kids Health EducationPromoted By: Community Resource Center696 W Holt Ave, Pomona, CA 91768, USA4:00 pm
OCT30$35.00🎃🎷 It’s the Great Pumpkin, Charlie Brown Rooftop Night (Adults)Promoted By: The Fox Theater301 S Garey Ave, Pomona, CA 91766, USA6:30 pm-9:30 pm
OCT30FREEHalloween HauntPromoted By: Ontario Recreation & Community Services215 E C St, Ontario, CA 91764, USA10:30 am-12:00 pm
OCT31FREEKids StorytimePromoted By: Barnes & Noble - Montclair Place5183 N Montclair Plaza Ln, Montclair, CA 91763, USA5:00 pm
OCT31Costume CarnivalPromoted By: Ontario Recreation & Community Services1010 S Bon View Ave, Ontario, CA 91761, USA5:00 pm-7:00 pm
OCT31FREE🎃🍬 Trick or Treat at the Montclair Police DepartmentPromoted By: Montclair Police DepartmentMontclair Police Department5:00 pm-7:00 pm
OCT31FREE🎃⚾ Pomona American Little League Trunk or TreatPromoted By: Pomona American Little League865 E Grand Ave, Pomona, CA 91766, USA5:30 pm-9:00 pm
OCT31FREE🎬 Friday Family Movie Nights - Hotel TransylvaniaPromoted By: Tri-City Mental HealthPomona, CA 91767, USA6:00 pm
OCT31$33.85PNO Halloween Party 2026Promoted By: Chozen Martial Arts Academy670 Arrow Hwy, La Verne, CA 91750, USA6:00 pm-9:00 pm
OCT31$28.52The Haunted Car Wash in AnaheimPromoted By: The Haunted Carwash - OC2219 Lincoln Ave, Anaheim, CA 92801, USA6:30 pm-7:00 pm
