Halloween events St. Louis

Geocaching: Harry Potter at Babler State Park

Step into the magical world of Harry Potter at this one-of-a-kind geocaching event! Dress in your finest wizard attire and enjoy an enchanted quest using magical directional devices to uncover hidden secrets.

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Howl-O-Ween Dog Costume Parade

The 3rd annual Howl-O-Ween Dog Costume Parade is a morning of fun for two and four-legged members of your family.

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Halloween Spooktacular at New Town

Kids can trick or treat from local New Town St. Charles businesses during this Halloween Spooktacular.

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Fenton Techno Trunk or Treat

Dress up and bring your glow gear to the 5th annual Techno Trunk or Treat in Fenton.

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The Great Pumpkin Party at Ferguson Library

The Great Pumkin Party returns! Stop in to the Ferguson Library before trick-or-treating on Halloween to enjoy games and crafts, have kids' pictures taken in costume and grab some sweet treats.

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Costume Capers: 26 St. Louis Events Where Kids Can Show Off Their Halloween Finery

You’ve put a lot of work into crafting the perfect Halloween costume for your children, so why only put it to use for just one night? Get some serious mileage – and spooky fun – out of your Halloween finery at these Halloween parades, costume contests and trick-or-treating events across the St. Louis area.

Things to Do

Halloween Nights at Grant's Farm

Thursday, October 15, 2026

Friday, October 16, 2026

Saturday, October 17, 2026

Get into the Halloween spirit with some spooky fun and celebrate with the animals at Grant's Farm. Enjoy Halloween tram rides featuring Halloween lights, spooky scenes, live actors, scare zones, a Halloween-themed show, monster mash party and more. Costumes are encouraged.

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Water Waddlers Indoor Drop-In Swim

Thursday, October 15, 2026

Friday, October 16, 2026

Stop in and have some fun in the indoor pool at the Lodge of Des Peres with your little one at this drop-in swim time for kids up to age 6. No pre-registration is needed; Water Waddlers is open to residents and non-residents of Des Peres.

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Preschool Science Series at the Saint Louis Science Center

Thursday, October 15, 2026

Friday, October 16, 2026

The Preschool Science Series is an open exploration learning lab for young scientists - ages 18 months to 5 years - and their families. Activities are designed around research that shows children learn best through play, inquiry and shared experiences with their parents and caregivers.

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LEGO Club at the St. Louis County Library

Thursday, October 15, 2026

Friday, October 16, 2026

Saturday, October 17, 2026

LEGO Club at the St. Louis County Library is a free opportunity for kids to gather and have fun building with LEGO bricks. LEGOs are provided.

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Boo at the Zoo

Thursday, October 15, 2026

Friday, October 16, 2026

Families and kids of all ages can enjoy festive decorations, entertainers, many of your favorite Zoo exhibits and lots more at the Saint Louis Zoo's nighttime, non-scary Halloween experience Boo at the Zoo!

Boo at the Zoo is a long-time St. Louis family favorite, with fun, spellbinding decorations and great photo opportunities, spooktacular entertainment as actors bring the decorated areas to life, interaction with the animals, fun at the 4-D Theater, Conservation Carousel, and more.

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Dinoroarus Comes Roaring Back at the Saint Louis Zoo

The Dinoroarus exhibit brings prehistoric fun back to the Saint Louis Zoo this summer with 20 lifelike dinosaur animatronics and sculptures on the Zoo's Historic Hill.

Get Ready to Climb and Explore at These Free Big Truck Days

If your kids love to explore big trucks and vehicles, these upcoming Big Truck Days are a perfect weekend or weeknight outing. They'll get to climb on and explore fire trucks, police vehicles, bulldozers, bucket trucks, ambulances and lots more.

Travel Back in Time Every Friday at the Missouri History Museum’s Free Summer Family Fun Series

There comes a point every summer when all that “free time” isn’t so fun anymore. Your kids are bouncing off the walls, it’s too hot to hit the playground, and every activity seems to come with a big price tag. That’s when the screens come out, and parents find themselves counting down the minutes to bedtime. Thankfully, when Friday rolls around each week, your family can experience a mini summer getaway through history – no travel required.

City Museum's Stuff the Bus Campaign Provides School Supplies for 160 St. Louis Schools

Visit City Museum August 3-31, bring school supplies to donate, and get discounted admission! That's the idea behind City Museum's Stuff the Bus campaign.

Your Guide to Free Outdoor Family Movies this Summer

Seeing a movie at the theater is a magical experience, but when summer rolls around, it’s time to get outside and enjoy free movies under the stars! Free family movie nights abound across the St. Louis area, so grab your kids, a blanket or lawn chairs, and get ready for some cinematic fun. Here's where to find them:

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Find yourself at Forsyth on Sunday, October 25, 3:00–5:00 pm for All-School Open House! Perfect for families with candidates for any and every grade, All-School Open House is a wonderful opportunity to meet our classroom and specialist teachers, chat with current students and families, and hear from Head of School Rob Butler. Advance registration is required.

Forsyth School fosters a spirit of curiosity and joy, empowering children age 2 through Grade 6 to pursue challenges with confidence. At Forsyth, our talented and caring teachers encourage students to explore and question, enabling them to learn deeply. Each child's unique identity is known, celebrated, and nurtured by our supportive community. The results are profound: children take risks, pursue challenges, and find joy in learning. The "Forsyth experience" is enriched by the school's unique campus, location, and commitment to the natural world. LEARN MORE AND RSVP

Lace up and leash up for a great cause! You and your dog are invited to run, jog, or walk in the Purple Leash 5K & Fun Run at Purina Farms. Compete for top dog in the 5K race or take it easy in the 1-mile fun run. Put your paws to the pavement and then head over to the TAILgate after party for food, drinks, music and more all while raising awareness for the Purple Leash Project. All purple outfits and purple dog gear are highly encouraged! The Purple Leash Project was born out of the Purina mission to bring and keep pets and people together and the RedRover® mission to bring people and their pets from crisis to care. Your support of the Purple Leash Project assists domestic violence shelters on their journey to welcome family pets by funding pet-friendly renovations. Sunday, October 11. FIND OUT HOW TO REGISTER

The Missouri History Museum celebrates education and family learning with History Exploration Days! One Friday per month from September to May, homeschool families with kids of all ages can explore a different historical topic—together! All activities are FREE. Explore St. Louis history in new and exciting ways through interactive guided gallery tours, hands-on workshops, and community performances that align with each month’s theme, encouraging investigation, exploration, and creative fun. Activities are offered at various times throughout the day and are customized for specific grade-level groups.

Storytelling takes place in the morning, and all ages are welcome. Visit the craft room for fun learning experiences, with museum educators available to help learners participate in meaningful ways. Topics this school year include colonial St. Louis, baseball, Black history, and wildlife. Detailed schedules for each day will be posted to the Museum’s website. The program is offered on October 9, November 13, December 11, January 15, February 19, March 19, April 9, and May 14. LEARN MORE

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