Trunk or Treat Featuring Unhaunted House & Make-a-Thon

Sat · Oct 24·Sun Gallery · Hayward

Mother Earth, the 13th Annual Climate Change Show, presented at Sun Gallery in Hayward.

Sat · Oct 24·7:30 AM – 11:30 AM·Former Skywest Golf Course Parking Lot · Hayward

Compost Giveaway at the former Skywest Golf Course parking lot in Hayward.

Sat · Oct 24·8 AM·Southgate Community Center and Park, Pickleball Courts · Hayward

First Annual Dinks & Treats Fall Pickleball Tournament at Southgate Community Center and Park features fixed‑partner round‑robin doubles for men, women and mixed, ages 18+.

Sat · Oct 24·8 AM·Southgate Community Center and Park, Pickleball Courts · Hayward

First Annual Dinks & Treats Fall Pickleball Tournament at Southgate Community Center and Park offers Fixed Partners round‑robin play, multiple games, men’s, women’s and mixed doubles, ages 18+.

Fri · Oct 23·1 PM – 4 PM·Kenneth C. Aitken Senior & Community Center · Hayward

Pumpkin-themed activities and ghost stories for pre‑K children at Kenneth C. Aitken Senior & Community Center, Hayward, ages 3–6.

Mon · Oct 26·7 PM·Douglas Morrisson Theatre · Hayward

Classic monster and horror film The Fog screens on the big screen at Douglas Morrisson Theatre, with a $10 ticket, for ages 18 and up.

Thu · Oct 29·6 PM – 7 PM·Sulphur Creek Nature Center · Hayward

Beneficial Bats at Sulphur Creek Nature Center explores bat ecology for adults, ages 18 and up.