October 2–4
Grand Bazaar of Petaluma
Petaluma
Browse more than 150 artists and crafters, holiday décor, gifts, collectibles, food, and more at this three-day indoor arts and crafts fair at the Petaluma Fairgrounds.
More Info →Looking for things to do in Sonoma this October? From pumpkin patches near Sonoma to harvest experiences, community events, and Halloween celebrations, October offers plenty to explore throughout Sonoma Valley and nearby Sonoma County.
Start with our guide to pumpkin patches in Sonoma, Glen Ellen, Petaluma, and Santa Rosa, then explore more October 2026 events in Sonoma County happening throughout the month.
Pumpkin Patches Near Sonoma
Petaluma
Mickelson Pumpkin Patch
More Info →Petaluma Pumpkin Patch & Amazing Corn Maze
More Info →Pronzini Farms Pumpkin Patch
More Info →Santa Rosa
Santa Rosa Pumpkin Patch
More Info →Muelrath Ranches Pumpkin Patch
More Info →Punky's Pumpkins
More Info →October 2026 Events in Sonoma County
October 4
Cindy's Race
Santa Rosa
Run or walk through Howarth Park with 10-mile, 10K, 6K, and kids' race options supporting breast cancer awareness.
More Info →starts October 16
Harvest Swiss Chalets
Sonoma
Fairmont Sonoma Mission Inn's seasonal Swiss Chalets return with a fall experience featuring seasonal dishes and cocktails in a cozy private setting.
More Info →October 23
Sip & Solve Trivia Night: Halloween Edition
Santa Rosa
St. Francis Winery brings a Halloween twist to its Sip & Solve trivia night for an evening of wine, friendly competition, and seasonal fun.
More Info →October 24
Murder Mystery
Petaluma
Add a little mystery to October with an interactive murder mystery experience in Petaluma.
More Info →October 25
Canine Costume Contest
Sonoma
Dress up your four-legged companion for Larson Family Winery's festive annual canine costume celebration.
More Info →October 31
Sonoma Spooktacular: Halloween Around the Plaza
Sonoma
Celebrate Halloween around Sonoma Plaza with an afternoon of costumes and trick-or-treating at participating businesses.
More Info →October 31
Santa Rosa Halloween Bar Crawl
Santa Rosa
Celebrate Halloween with an adults-only downtown bar crawl featuring participating venues, drink specials, costumes, and an after-party.
More Info →What Is Happening in Sonoma in October 2026?
October in Sonoma Valley brings together harvest season, pumpkin patches, community gatherings, and Halloween events. Whether you're looking for a pumpkin patch near Sonoma, a weekend fall event, or something to do on Halloween, there are options throughout Sonoma Valley and nearby Sonoma County.
Event details can change, so always confirm dates, hours, tickets, and availability directly with the organizer before heading out.
If exploring the area has you curious about Sonoma real estate, we're also here as a local resource. Whether you're searching for a Sonoma Valley home, learning more about different areas of the valley, or looking for a local Sonoma realtor, our team can help you better understand the community and current market.
This post was created with the assistance of artificial intelligence and reviewed by the marketing team at Coldwell Banker Brokers of the Valley.
