Top Fall Events Happening in Ontario, California

As the air turns crisp and leaves begin their autumnal dance, Ontario, California comes alive with a vibrant lineup of fall events that showcase the city’s spirit, community, and seasonal charm. From outdoor film nights under the stars to festive parades and enchanting light displays, there’s something for everyone this season. Grab your sweater, round up your family and friends, and get ready to explore everything from spooky Halloween celebrations and harvest festivals to immersive art installations and cultural observances that make this time of year truly magical in Ontario.

1. Moon Festival

• Overview: The Moon Festival at Heritage House celebrates Riverside’s rich cultural heritage. This vibrant event brings to life one of Asia’s most cherished traditions, honoring the autumn harvest with mooncakes, lanterns, and expressions of gratitude for family and friends. Rooted in centuries-old customs, the festival also highlights the vital contributions of Chinese Americans to Riverside’s citrus industry, blending history, culture, and community in a memorable experience.
• Enjoy an evening filled with:
  • Storytelling
  • Lion Dance
  • Chinese calligraphy
  • Telescopes to view the night sky
  • A hands-on craft for all ages
• Location: Heritage House, 8193 Magnolia Avenue, Riverside, CA 92504
• Date and Time: Monday, October 6, 6 to 8 PM

2. Padua Hills Fall Wedding Show

• Overview: The Padua Hills Fall Wedding Show is a complimentary event that provides couples and their families the opportunity to explore a stunning indoor/outdoor venue, meet Southern California’s top wedding professionals, and gather inspiration for their special day. Guests can enjoy live music, complimentary refreshments, decor ideas, lighting demonstrations, and exclusive raffles, including a grand prize. Although admission is free, reservations are encouraged to secure a spot at this valuable resource for engaged couples at any stage of their planned journey.
• Event features:
  • Explore our stunning indoor/outdoor venue
  • Enjoy mouthwatering hors d’oeuvres and refreshments
  • Meet our team and preferred wedding vendors
  • Get exclusive discounts and freebies
  • Experience live music and light shows
  • Participate in games and raffles
  • Preview trending wedding decor and gather ideas for your biggest day
• Location: Padua Hills Theatre, 4467 Padua Avenue Claremont, CA 91711
• Date and Time: Sunday, September 28, 11 AM to 3 PM

3. Fall Fest 2025

• Overview: Fall Fest 2025 is Newlife Pomona’s annual community fair, offering fun for the whole family. On Saturday, September 27, attendees can enjoy live DJ music, free carnival games, delicious food and drinks including refreshing agua frescas, arts and crafts, face painting, and much more. Hosted by Newlife’s Community Development Program, all proceeds from the event will support efforts to alleviate hunger in the Greater Pomona Valley.
• Location: 275 East Foothill Boulevard Pomona, CA 91767
• Date and Time: Saturday, September 27, 4 PM to 7 PM. Doors open at 3:30 PM.

4. Fall Festival

• Overview: The fall celebration at 6240 Morton Ave invites families to enjoy an evening filled with fun for everyone. The event features live music, tasty food vendors, and a costume contest for all ages. It provides the perfect opportunity to celebrate the season with friends and loved ones, and attendees are encouraged to mark their calendars, so they don’t miss out on the fun.
• Location: 6240 Morton Avenue Riverside, CA 92509
• Date and Time: Friday, October 17, 4 PM to 8 PM.

5. Fall Wellness & Market

• Overview: The Fall Wellness & Market event offers a relaxing and enriching day for the community to come together and focus on well-being. Held at 4300 Heather Cir, this in-person gathering features a variety of wellness activities, including yoga sessions and meditation classes, along with healthy food options to nourish both body and mind. Attendees can explore a vibrant market filled with local vendors offering unique handmade goods, artisanal products, and fresh produce. While tickets are required for class participation, entry to the market is free, making it a perfect opportunity to shop, connect with others, and support local businesses.
• Location: 4300 Heather Circle Chino, CA 91710
• Date and Time: Saturday, October 25, 10 AM to 2 PM

6. Falling Into Fall

• Overview: The Falling into Fall Event is the perfect family outing to welcome the autumn season. Guests can enjoy an afternoon filled with fun activities, delicious flavors, and festive experiences for all ages, providing a memorable way for families and friends to celebrate the season.
• Activities:
  • Fall Selfie Photo Booths
  • Games
  • Crafts
  • Sample Tasting
• Location: Citrus Plaza, 27320 West Lugonia Avenue Redlands, CA 92374
• Date and Time: Friday, September 19, 3 PM to 5 PM

7. Westminster Fall Festival

• Overview: Westminster’s Fall Festival is returning for its fourth year in a row. Attendees can look forward to another weekend of family fun, featuring delicious food, exciting live entertainment, and carnival rides. This year’s festival will also include an additional night of fun with a special preview on Thursday, September 25, giving everyone an early chance to enjoy the festivities.
• Location: 8200 Westminster Boulevard Westminster, CA 92683
• Date and Time:
  • Thursday, September 25th, 5:00 PM to 9:00 PM (Preview Night)
  • Friday, September 26th, 5:00 PM to 11:00 PM
  • Saturday, September 27th, 12:00 PM to 11:00 PM
  • Sunday, September 28th, 12:00 PM to 9:00 PM

8. Fall Festival at Eastland Center

• Overview: The Fall Festival at Eastland Center is a free, family-friendly event held each October, offering a safe and festive environment for the community to come together. Perfect for families and individuals of all ages, this annual celebration provides a fun-filled day to enjoy seasonal activities, entertainment, and special offers while embracing the spirit of fall.
• Bring the whole family for an afternoon of fun with:
  • Music by THE Best DJ around! DJ Perry of That’s My Song 
  • Live characters & photo ops
  • Trick-or-Treating at participating stores
  • Pumpkin painting & bounce houses
  • Costume Catwalk with prizes
  • Store specials, games, and more surprises!
• Location: 2630 East Workman Ave. Corner of Sprouts & Planet Fitness West Covina, CA 91791
• Date and Time: Saturday, October 25, 2 PM to 6 PM

When planning your autumn adventures in Ontario, CA, Best Western Ontario Mills Mall offers the perfect stay with amenities like:

• Spacious, comfortable rooms
• Complimentary hot breakfast
• Outdoor pool and fitness center
• Free parking and Wi-Fi

Address: 4395 Ontario Mills Pkwy, Ontario, CA 91764

Why Stay Here: Its central location makes it easy to hop between events in Riverside, Chino, Pomona, Claremont, and West Covina while enjoying a cozy retreat after a fun-filled day.

Book your room at Best Western Ontario Mills Mall to ensure a relaxing and convenient stay during the bustling fall season.