Hayward Trunk or Treat - Promise Fest

October 24, 2026, 11 a.m.-3 p.m. 

Kennedy Park
19501 Hesperian Blvd.
Hayward, CA
Free, hayward-ca.gov

Live music, car show, trunk or treat - costumes encouraged, games & family friendly activities, cultural arts performances, and four hours of fun!

Produced by Hayward Library and co-sponsored by Hayward Promise Neighborhoods, the free annual event invites the public downtown to Heritage Plaza to celebrate Halloween with Trunk or Treating Car Show featuring decked out car trunks in spooky, friendly, fun themes. It's sure to entertain.

Hayward Unhaunted House 

October 24, 2026, 11 a.m.-3 p.m. 

Kennedy Park
19501 Hesperian Blvd.
Hayward, CA
hayward-ca.gov

Step inside if you dare! Enjoy an evening carnival with Halloween crafts, storytelling, fun games, and tasty treats. Bring the family! Explore the land of creepy crawlies and amazing arthropods at this year's Unhaunted House.

Step back in time for a dino-mite Halloween celebration like no other! Dino-ween brings the prehistoric past to life with a spooky twist. Dress as your favorite dinosaur (or daring explorer) and enjoy a night of thrilling activities, creepy crafts, and spine-chilling surprises.  Get ready to ROAR into Halloween.

Hayward Arts Make-A-Thon

October 24, 2026, 11 a.m.-3 p.m. 

Kennedy Park
19501 Hesperian Blvd.
Hayward, CA
Free, hayward-ca.gov

Create spooky and magical crafts with local artists at themed stations including the Witch's Hut, Pumpkin Painting, Halloween Décor, and costume making. Complete the scavenger hunt, show off your creations, and snap a festive photo. Join the costume contest with your homemade costumes!

Hayward Floating Pumpkin Patch and Public Swim

October 17, 2026, 1:30-3:30 p.m. 

Hayward Plunge
24176 Mission Blvd.
Hayward, CA
$ All Ages, haywardrec.org

Come and enjoy a floating Pumpkin Patch at the Hayward Plunge. There will be a decorating station for creating your own unique pumpkin. Prizes will be given for the top decorated pumpkins. Each person registered will receive a pumpkin and a goodie bag. 

Events are not guaranteed. It is your responsibility to confirm before going.