Rainy-Day & Indoor Activities in San Diego With Kids
By Punita Patel
On the rare rainy San Diego day (or a hot inland one), these spots keep the family busy under a roof — children's museums, science centers, aquariums and indoor play across San Diego County.
16 places · distances from San Diego
Reviewed & updated June 2026 · we check listings regularly, but hours and prices change — confirm before you go.
The New Children's Museum
San Diego · Indoor Play
Downtown interactive art museum built for kids, with climbing installations and hands-on art studios.
~$15 per person
San Diego Air & Space Museum
San Diego · Museums & Learning
Iconic round Balboa Park museum packed with real aircraft, spacecraft, and a flight simulator.
~$24 adult / ~$15 child
San Diego Model Railroad Museum
San Diego · Museums & Learning
Largest indoor model railroad museum in North America, with elaborate miniature SoCal landscapes.
~$15 adult / kids free
Fleet Science Center
San Diego · Museums & Learning
Hands-on science museum in Balboa Park with interactive exhibits and a giant-dome IMAX theater.
~$25 adult / ~$22 child (incl. IMAX)
San Diego Museum of Art
San Diego · Arts & Culture
Balboa Park's premier art museum with family art-making activities and a sculpture garden.
~$20 adult / under 17 free
San Diego Natural History Museum
San Diego · Museums & Learning
"The Nat" features dinosaur fossils, a giant-screen theater, and kid-friendly nature exhibits.
~$22 adult / ~$14 child
Birch Aquarium at Scripps
La Jolla · Animals & Nature
La Jolla aquarium overlooking the ocean with kelp tanks, a seahorse exhibit, and tide-pool touch experiences.
~$25 adult / ~$20 child
Kumeyaay-Ipai Interpretive Center
Poway · Museums & Learning
A small, meaningful cultural site preserving a Kumeyaay village with reconstructed dwellings, a ramada and native plants, staffed by knowledgeable docents. It's only open the third Saturday of each month from 10am to 1pm, so plan your visit around that window. Admission and tours are free with no registration — a rich, low-key history lesson for families.
Free
Barona Cultural Center & Museum
Lakeside · Museums & Learning
California's first Native American museum on a reservation, dedicated to sharing local Kumeyaay culture through artifacts, baskets and hands-on exhibits. Admission is free and the space is welcoming for curious kids. Call ahead if you'd like to arrange a guided group tour.
Free
Children's Discovery Museum of North County
Escondido · Museums & Learning
Hands-on museum for young kids with art studios, a toddler area, water play, and rotating exhibits.
~$12-14 per person
San Marcos Library
San Marcos · Museums & Learning
This San Diego County branch at the Civic Center is a cool, quiet refuge on hot or rainy days, with a dedicated kids' area and free family programming. Story times and craft sessions make an easy no-cost outing that pairs with the surrounding Civic Center plaza. Check the county library calendar before you go.
Free
California Surf Museum
Oceanside · Museums & Learning
Small museum tracing surfing history with vintage boards and the story of Bethany Hamilton.
~$5 adult; kids low/free
Antique Gas & Steam Engine Museum
Vista · Museums & Learning
A 55-acre living-history farm where kids can watch steam tractors, antique engines and a working blacksmith shop come to life. It's hands-on and wonderfully unhurried, so give yourself a few hours. Time your visit for one of the big June or October Threshing Bee weekends for the full spectacle.
Adults $10; discounts for seniors & kids
Julian Pioneer Museum
Julian · Museums & Learning
A small, charming trove of gold-rush and pioneer-era relics, old photos and mining tools right as you roll into town on Highway 78. It's an easy, affordable stop that gives kids context for the mine tours, and little ones get in free.
$5 donation; kids 12 and under free
Fallbrook Library (SD County)
Fallbrook · Museums & Learning
A welcoming branch with a dedicated children's area, free story times, and public computers and WiFi — a great rainy-day or beat-the-heat stop right in the village. Everything here is free, including a library card for visiting-turned-local families.
Free
Fallbrook Art Center
Fallbrook · Museums & Learning
A bright downtown gallery with rotating exhibits and family-friendly art programming that gives kids a low-key first museum experience. Time your visit for a free Tuesday to keep it budget-friendly. It's an easy walk from the library and village shops for a full afternoon in town.
Varies; free on Tuesdays
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