Weekend: Apr 18 - Apr 19, 2026
Top 5 Most Popular Events
< Friday, April 17
Monday, April 20 >
Saturday, April 18
Free 2026 “Tri-Valley Innovation Fair” (Pleasanton)
A free, family-friendly day of science, technology, youth innovation, interactive exhibits, and live demonstrations for all ages.
8th Annual Tri-Valley Innovation Fair Presented by Quest Science Center
Inspiring Innovation • Connecting Community • Celebrating Curiosity
The Tri-Valley Innovation Fair brings together students, families, educators, innovators, and local organizations ...
Reimagine Education Expo (Oakland)
Curious about alternative education options for your child? Wondering what learning could look like beyond the traditional path — or searching for a better fit for a neurodivergent learner?
Join us at the Reimagine Education Expo, a family-friendly event bringing together forest schools, microschools, homeschool programs, ...
SOMA Neighborhood Earth Day Cleanup Party w/ Free Lunch (SF)
Volunteer with SF Environment and Refuse Refuse for a neighborhood litter cleanup around Yerba Buena Gardens in SOMA. Supplies and a free lunch will be provided to participants. Cleanup runs from 10am to 12pm, with registration required. Stay after for the Green Business Expo and ...
MMclay Spring Market (SF)
Celebrate the season at the MMclay Spring Market and shop a curated mix of local vendors! ️
Browse ceramics, fresh flowers, records, pastries, coffee, and more.
A portion of MMclay’s Onyx collection sales will go directly toward @sproutscheftraining , an organization that equips under-resourced youth with the culinary skills ...
“The Wardrobe Project Flea” Monthly Vintage & Makers Market (Oakland)
A monthly vintage & makers market hosted by Oakland vintage shop The Wardrobe Project (located 1.5 blocks down college ave). Explore an incredible array of vintage clothing, accessories, furniture, home decor, jewelry, records and more as well as creations & handmade goods from local makers. ...
New Community Grand Opening + Model Tours (Mountain House)
Rurka Homes and Mountain House Developers are holding a grand opening event from 10 a.m. to 6 p.m. on Saturday, April 18 for the newest neighborhood in Northern California’s premier master-planned community, The Lakes at Mountain House. The event will be held at 1771 N. ...
‘Cafecito’ Coffee Tour: Mission Street
Discover the Mission District in a whole new way—through cafecito, culture, and community ☕
Join us for Mission Lotería’s Cafecito Tour, a guided coffee experience through the heart of San Francisco’s Latino Cultural District. This isn’t just a coffee crawl—it’s a curated journey through some of ...
Sausalito Free Events: Citywide Yard Sale, Yacht Rock + Block Party (Spring 2026)
This Saturday is a wonderful day to make a trip to Sausalito or to come over the bridge or by ferry. Sausalito is hosting three exciting free community events this Saturday, April 18th!
Citywide Yard Sale
9:00 AM to 1:00 PM
MLK Parking Lot and Basketball Courts
Treasure hunting ...
Free “Day in the Evergreen” Festival (San Jose)
On Saturday, April 18, from 10 a.m. to 4 p.m., Evergreen Valley College will host its second “Day on the Evergreen,” a community day in front of the Student Services Complex.
The event will feature a Kids Zone with carnival games, face painting, robots and a ...
Pacifica’s Annual Earth Day EcoFest (2026)
Pacific Beach Coalition’s annual Earth Day EcoFest is a free, family-friendly outdoor community event. Starting off the day at 9am across more than 15 site locations for cleanup and habitat restoration events across San Mateo County, the fun continues from 10:30am – 1:30pm with our ...
World Naked Bike Ride Through SF for Earth Day 2026
It’s that time to tune up those bikes and toss those riding duds in the wash; you won’t need them for the World Naked Bike Ride in San Francisco.
The upcoming calendar of seasonal San Francisco World Naked Bike Rides presents the funnest opportunity to Protest ...
“Science@Cal”: Renowned Scientist Lecture | UC Berkeley
Science@Cal is proud to present a series of free public science lectures on the third Saturday of every month. These talks are given by renowned UC Berkeley scientists and aimed at general audiences. Talks take place on the UC Berkeley campus at 11 am. Doors ...Monthly
SF’s 2026 Cherry Blossom Festival: April 11-12 & 18-19
Welcome to the Northern California Cherry Blossom Festival, one of California’s most prominent celebrations of Asian traditions and the biggest on the West coast. Since 1968, the Festival has served to cultivate the continued alliance between Japan and the United States using culture as its ...
Easy Product Photography for Creative Small Businesses Workshop
Learn the basics of product photography using your phone and materials in your home or work space. Professional product photographer Lucas Saugen will give a presentation walking you through set-up and approaches to product photography, then demonstrate photography techniques and problem-solving on several products brought ...
Vallejo Ferry Fest (2026)
Bring the whole family and join us for a fun-filled day on the Mare Island waterfront. Enjoy food trucks, local vendors, live music, raffles, giveaways, and more! Save the date for this unique, FREE waterfront celebration.
When: Saturday, April 18th, 2026 – 11:00 A.M. – 4:00 ...
< Friday, April 17
Monday, April 20 >
