May 2026 Events in Sonoma County

Sonoma County Life

May 2026 Events Guide

From Healdsburg wine festivals to Petaluma car shows — what’s happening in your neighborhood this month

Recurring Weekly Events Santa Rosa Community Farmers Market — Saturdays 8:30am–1pm & Wednesdays 9am–1:30pm · 1501 Farmers Lane  |  Santa Rosa Downtown Market — Sundays 10am–2pm · Courthouse Square (May–Sep)  |  Petaluma Walnut Park Farmers Market — Saturdays 2–5pm starting May 4  |  Roseland Village Farmers Market — Thursdays 2–6pm & Sundays 9am–1pm  |  Healdsburg Farmers Market — Saturdays downtown
Week 1 — May 1–10
May
2
– 3
Bacchus Landing Spring BazaarHealdsburg

An artisan market in the heart of Healdsburg wine country — local makers, handcrafted goods, jewelry, home décor, and wine tasting from Bacchus Landing’s acclaimed wineries. Perfect Mother’s Day shopping weekend in Wine Country.

Sat–Sun · Bacchus Landing, Healdsburg
May
2
2nd Annual Bloody Mary ChallengeSanta Rosa

Charbay Distillery and the Santa Rosa Fire Department host a lively Bloody Mary showdown — top local restaurants and bars compete for Best Bloody Mary in Sonoma County. Brunch vibes at Grossman’s and Hotel La Rose, with proceeds supporting local firefighters.

Sat · Hotel La Rose, Santa Rosasrff.org/bmc
May
2
– 3
Sonoma County Farm Trails Spring Farm TourSebastopol

Self-guided weekend tour of working farms across Sonoma County — meet the farmers, taste seasonal produce, and experience the agricultural roots of West County and the greater region firsthand.

Sat–Sun · Various farm locations, Sonoma County
May
3
Luther Burbank Experiment Farm Open House & Plant SaleSebastopol

Tour the historic grounds where Luther Burbank conducted his legendary plant breeding experiments, visit his original cottage, and browse rare plants, fruit trees, and pollinator favorites. Free admission — plant sale proceeds support farm preservation.

Sun · 10am–3pm · SebastopolFree admission
May
3
Sonoma County Balloon Chase 5K & 1K Kids DashWindsor

Chase hot air balloons on a scenic 5K course starting and finishing at Keiser Community Park in Windsor. A family-friendly morning race with a kids dash — one of Windsor’s beloved spring traditions.

Sun · 8am · Keiser Community Park, Windsor
May
2
– 4
Santa Rosa Symphony — Shakespeare in MusicRohnert Park

Three performances of Shakespeare in Music at the world-class Weill Hall at the Green Music Center, Sonoma State University. Conductor Francesco Lecce-Chong leads a dramatic evening of orchestral works.

Sat May 2, Sun May 3, Mon May 4 · Green Music Center, SSU$34–$110
May
2
8th Annual Garagiste Festival: Northern ExposurePetaluma

Rare access to 30+ micro-production Northern California winemakers — each producing under 1,500 cases. Innovative varietals poured directly by the passionate makers themselves. Many participating wineries have no regular tasting room hours, making this a truly exclusive tasting experience.

May
7
Wine Women Happy Hour at Grand Cru Custom CrushWindsor

WINE WOMEN presents an evening happy hour at the Grand Cru Custom Crush Winery Collective — a fun networking event for wine-loving women in Sonoma County set inside one of Windsor’s most popular winery collectives.

Thu · 5:30pm · Grand Cru Custom Crush, Windsor
May
8
Kehlani Live at Graton Resort & CasinoRohnert Park

R&B star Kehlani performs live at The Event at Graton Resort & Casino. One of the premier entertainment venues in the North Bay, just minutes from Rohnert Park.

Fri · 8pm · The Event at Graton Resort & Casino, Rohnert Park
May
9
Native Arts Festival at Windsor Town GreenWindsor

A celebration of Native American arts, culture, and community at the Windsor Town Green — featuring live performances, artisan vendors, and educational programming for all ages.

Sat · 11am · Windsor Town Green
May
9
Petty Theft: A Celebration of Tom PettyPetaluma

The premier Tom Petty tribute band performs at the legendary Mystic Theatre in the heart of historic downtown Petaluma. A classic rock night out in one of Sonoma County’s most beloved music venues.

Sat · 8:30pm · Mystic Theatre, 23 Petaluma Blvd N
May
10
Mother’s Day Brunch at SpoonBarHealdsburg

Celebrate Mom with a festive brunch at Healdsburg’s acclaimed SpoonBar — featuring everything from classic Eggs Benedict to hand-carved, roasted Prime New York Strip. A special occasion meal in the heart of Wine Country.

Sun · Mother’s Day · SpoonBar, Healdsburg$75/person · $35 kids 12 & under
Week 2 — May 11–17
May
11
Free Homebuyer Education & Down Payment Assistance WorkshopSanta Rosa

Burbank Housing hosts a free workshop covering the home buying process, available loan programs, and down payment assistance resources in Sonoma County. A great resource for first-time buyers in our area.

Mon · Santa RosaFree event
May
14
– 17
Healdsburg Wine & Food ExperienceHealdsburg

Healdsburg’s signature food and wine festival — 150+ wines, beers, and spirits, top chefs from across the country, Grand Tasting tents, the Big Bottle Party at The Matheson, intimate vineyard lunches, and the Rooftop Lounge. The premier wine country event of the spring season.

Thu–Sun · Multiple venues, Healdsburghealdsburgwineandfood.com
May
15
– 16
Matt Rife Live — Two Nights at Graton ResortRohnert Park

Comedian and social media phenomenon Matt Rife performs two nights at The Event at Graton Resort & Casino in Rohnert Park.

Fri May 15 & Sat May 16 · The Event at Graton Resort, Rohnert Park
May
16
Petaluma’s Salute to American Graffiti — Car Show & CruisePetaluma

Over 400 classic cars and trucks fill the streets of historic downtown Petaluma for this beloved annual celebration of film and Americana. Vendors, live entertainment, food, and car culture in one of California’s most charming historic downtowns.

Sat · 10am · Historic Downtown Petalumavisitpetaluma.com
May
16
Windsor Half Marathon, 10K & 5KWindsor

Annual road race through Windsor’s scenic neighborhoods, starting and finishing at the Windsor Town Green. Half marathon, 10K, and 5K distances — a wonderful community fitness event for all levels.

Sat · 7:30am · Windsor Town Green
May
17
Sonoma County Matsuri Japanese Arts FestivalSanta Rosa

A free festival celebrating Japanese arts, culture, and food in Santa Rosa. Traditional performances, artisan vendors, Japanese food, and cultural programming for the whole family.

Sun · Santa RosaFree admission
Week 3 — May 18–24
May
21
– 23
Healdsburg Future Farmers Country Fair — 77th AnnualHealdsburg

Healdsburg’s most beloved community tradition and one of Sonoma County’s most anticipated events. The Barn Dance, Twilight Parade, Livestock Auction, and fair schedule celebrate 77 years of supporting local youth in agriculture.

Thu–Sat · Healdsburghealdsburgfair.org
May
23
Ludacris Live at Graton Resort & CasinoRohnert Park

Hip-hop legend Ludacris performs live at The Event at Graton Resort & Casino — one of the North Bay’s premier entertainment venues, right in Rohnert Park.

Sat · 8pm · The Event at Graton Resort & Casino, Rohnert Park
Week 4 — May 25–31
May
25
Memorial Day Car ShowWindsor

Annual Memorial Day car show in Windsor — classic and custom cars on display, community gathering, and a great family-friendly way to kick off Memorial Day weekend in Sonoma County.

Mon · 10am · 167 Arata Lane, Windsor
May
27
Jessica Simpson Live at Graton Resort & CasinoRohnert Park

Pop star Jessica Simpson performs live at The Event at Graton Resort & Casino in Rohnert Park. Tickets on sale now.

Wed · The Event at Graton Resort & Casino, Rohnert Park
May
28
Sun Kil Moon at Mystic TheatrePetaluma

Critically acclaimed folk and indie rock artist Sun Kil Moon (Mark Kozelek) performs at the legendary Mystic Theatre in downtown Petaluma — an intimate and unforgettable evening of music.

Thu · 8:30pm · Mystic Theatre, 23 Petaluma Blvd N
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