Free things to do this weekend in and around St. Louis
St. Louis's Top Picks for FREE family-friendly fun Friday, September 18, 2026 to Sunday, September 20, 2026
(Scroll down for full, detailed list of free weekend activities.)
FREE fall and holiday mini photo sessions with Shoott! - St. Louis - Shoott - St. Louis, MO, USA - Friday, September 18, 2026 to Sunday, September 20, 2026, see link for times
Storytime in the Park - Wapelhorst Park - Wapelhorst Park, Muegge Road, Saint Charles, MO, USA - Friday, September 18, 2026, 10 am
Lawn Chair Movie Night- Union City Park - Union City Park - 500 West Park Avenue, Union, MO, USA - Friday, September 18, 2026, dark
Brentwood Days - Brentwood Parks & Recreation - Brentwood Sports Complex, Russell Avenue, Brentwood, MO, USA - Friday, September 18, 2026 to Saturday, September 19, 2026, varies
Kirkwood Greentree Festival - City of Kirkwood - Kirkwood Park, South Geyer Road, Kirkwood, MO, USA - Friday, September 18, 2026 to Sunday, September 20, 2026, Friday 5:00–10:00 p.m.; Saturday 9:00 a.m.–7:00 p.m.; Sunday 10:00 a.m.–5:00 p.m.
Greater St. Louis Hispanic Festival - Greater St. Louis Hispanic Festival Committee - Soulard Market Park, South 8th Street, St. Louis, MO, USA - Friday, September 18, 2026 to Sunday, September 20, 2026, Friday & Saturday 10 am–10 pm; Sunday 11 am–8 pm
2026 Saint Louis Art Fair - Cultural Festivals - Downtown Clayton, Clayton, Missouri, USA - Friday, September 18, 2026 to Sunday, September 20, 2026, Friday 5:00 p.m.–10:00 p.m.; Saturday 10:00 a.m.–9:00 p.m.; Sunday 11:00 a.m.–5:00 p.m.
The Great Forest Park Balloon Race & Glow - Great Forest Park Balloon Race - Forest Park, Emerson Central Fields, Wells Drive, St. Louis, MO, USA - Friday, September 18, 2026 to Saturday, September 19, 2026, see website for times
Movie Night in the Park - THE HEIGHTS: Richmond Heights Community Center - THE HEIGHTS: The Richmond Heights Community Center, 8001 Dale Ave, Richmond Heights, MO 63117, United States - Friday, September 18, 2026, 6:30 PM
Corn Maze- Broemmelsiek Park - St. Charles County Parks & Recreation - Broemmelsiek Park, Highway Dd, Defiance, MO, USA - Friday, September 18, 2026 to Sunday, September 20, 2026, 7 a.m. to 30 minutes past sunset, daily
2026 Old Orchard Gazebo Music Series - Old Orchard Business District - 8180 Big Bend Blvd, Webster Groves, MO 63119, United States - Friday, September 18, 2026, 7–8:30 pm
Lap Time - Saint Ann Branch Library - 10267 Saint Charles Rock Road, Saint Ann, MO, USA - Friday, September 18, 2026, 10:30 a.m.
Wildwood Farmers Market - Wildwood Farmers Market - Wildwood Farmers Market, 221 Plaza Drive, Wildwood, Grover, MO 63040, United States - Saturday, September 19, 2026, 8 am–12 pm
Saint Charles Farmers Market - Saint Charles Farmers Market - 370 Lakeside Park, Lakeside Park Drive, St. Peters, MO, USA - Saturday, September 19, 2026, 8 am–1 pm
Overland Farmers Market - Overland Farmers Market - 2500 Woodson Rd, Overland, St. Louis, MO 63114, United States - Saturday, September 19, 2026, 8 am–12 pm
North City Farmer's Market - North City Farmer's Market - 2700 N 14th St, St. Louis, MO 63106, United States - Saturday, September 19, 2026, 9:30 am–12 pm
Lake Saint Louis Farmers & Artists Market - Lake Saint Louis Farmers & Artists Market - Lake St. Louis Farmers And Artists Market, Meadow Circle Drive, Lake Saint Louis, MO, USA - Saturday, September 19, 2026, 8 am–12 pm
Ferguson Farmer's Market - Ferguson Farmer's Market - 501 South Florissant Road, Ferguson, MO, USA - Saturday, September 19, 2026, 8 am–12 pm
Arnold Farmers Market - Arnold Farmers Market - Arnold Farmers Market, 2400 Bradley Beach Rd, Arnold, MO 63010, United States - Saturday, September 19, 2026, 8 am–12 pm
Sunset Concert Series - City of St. Peters - 370 Lakeside Park, Lakeside Park Drive, St. Peters, MO, USA - Saturday, September 19, 2026, concert starts at 6:30 p.m., food/beverage sales start at 6 p.m.
Movies in the Park- Edwardsville City Park - Edwardsville Parks & Recreation - City Park, South Buchanan Street, Edwardsville, IL, USA - Saturday, September 19, 2026, dusk
Free Family Saturdays - Craft Alliance - Craft Alliance, 5080 Delmar Blvd, St. Louis, MO 63108, United States - Saturday, September 19, 2026, 9:30 am–11:30 am
Pollinator Palooza 2026 - Missouri Department of Conservation - 7295 Missouri 94, Saint Charles, MO, USA - Saturday, September 19, 2026, 10 am–3 pm
Theme Nights- Zootoberfest Extended Hours - Saint Louis Zoo - Saint Louis Zoo, Government Drive, St. Louis, MO 63110, United States - Saturday, September 19, 2026, 5–8 pm
Celebrate Wildwood 2026 - City of Wildwood - Village Green @ Wildwood, Wildwood, MO, USA - Saturday, September 19, 2026, 10 am–9:15 pm
Tons of Trucks - Maryland Heights Parks & Recreation - Hollywood Casino Amphitheater, Riverport Drive, Maryland Heights, MO, USA - Saturday, September 19, 2026, 11 am–1 pm
Free STEM Saturday: AI, Coding, Robotics & More - A Willing Vessel Church - A Willing Vessel Church, St. Louis, MO, USA - Saturday, September 19, 2026, 8:00 am–1:00 pm
Inclusive Gaming Group - Freddie Ford Family Foundation - P.O. Box 12454, St. Louis, MO 63132, United States - Saturday, September 19, 2026, 10 am–12 pm
Teen Ghost Hunt - Glen Carbon Heritage Museum - Glen Carbon Heritage Museum, 124 School Street, Glen Carbon, IL 62034, United States - Saturday, September 19, 2026, 7–9 pm
Open Gym - Team Central Gymnastics Academy - Team Central Gymnastics Academy, Metro Boulevard, Maryland Heights, MO, USA - Saturday, September 19, 2026, 1:30 pm–3:00 pm
Girl Scouts at HLGU Community Block Party - Girl Scouts of Eastern Missouri - Hannibal-LaGrange University, Palmyra Road, Hannibal, MO, USA - Saturday, September 19, 2026, 2 pm–6 pm
Washington Farmers’ Market Sprouts Kids Club - Washington Farmers’ Market - 323 W Main St, Washington, MO 63090, United States - Sunday, September 20, 2026, 8 am–1 pm