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.)
Corn Maze- Broemmelsiek Park - 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
Storytime in the Park - Wapelhorst Park, Muegge Road, Saint Charles, MO, USA - Friday, September 18, 2026 and Friday, October 9, 2026, 10 am
Pollinator Palooza 2026 - 7295 Missouri 94, Saint Charles, MO, USA - Saturday, September 19, 2026, 10 am- 3 pm
Washington Farmers’ Market Sprouts Kids Club - 323 W Main St, Washington, MO 63090, United States - Sunday, September 20, 2026 and Sunday, September 27, 2026, 8 am- 1 pm
Lawn Chair Movie Night- Union City Park - 500 West Park Avenue, Union, MO, USA - Friday, September 18, 2026, dark
2026 Old Orchard Gazebo Music Series - 8180 Big Bend Blvd, Webster Groves, MO 63119, United States - Friday, September 18, 2026 and Friday, September 25, 2026, 7-8:30 pm
Wildwood Farmers Market - Wildwood Farmers Market, 221 Plaza Drive, Wildwood, Grover, MO 63040, United States - Saturday, September 19, 2026; Saturday, September 26, 2026; Saturday, October 3, 2026, 8 am- 12 pm
Celebrate Wildwood 2026 - Village Green @ Wildwood - Saturday, September 19, 2026, 10 AM - 9:15 PM
Brentwood Days - Brentwood Sports Complex, Russell Avenue, Brentwood, MO, USA - Friday, September 18, 2026 and Saturday, September 19, 2026, time varies
Kirkwood Greentree Festival - 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.
Saint Charles Farmers Market - 370 Lakeside Park, Lakeside Park Drive, St. Peters, MO, USA - Saturday, September 19, 2026; Saturday, September 26, 2026; Saturday, October 3, 2026, 8 am- 1 pm
Sunset Concert Series - 370 Lakeside Park, Lakeside Park Drive, St. Peters, MO, USA - Friday, September 19, 2026, All Sunset Friday concerts start at 6:30 p.m., food/beverage sales start at 6 p.m., unless otherwise stated.
Overland Farmers Market - 2500 Woodson Rd, Overland, St. Louis, MO 63114, United States - Saturday, September 19, 2026; Saturday, September 26, 2026; Saturday, October 3, 2026, 8 am- 12 pm
Greater St. Louis Hispanic Festival - 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 - Downtown Clayton, Clayton, Missouri, USA - Friday, September 18, 2026 to Sunday, September 20, 2026, Friday 5:00 p.m. to 10:00 p.m.; Saturday 10:00 a.m. to 9:00 p.m.; Sunday 11:00 a.m. to 5:00 p.m.
The Great Forest Park Balloon Race & Glow - Forest Park, Emerson Central Fields, Wells Drive, St. Louis, MO, USA - Friday, September 18, 2026 and Saturday, September 19, 2026, see website for times
North City Farmer's Market - 2700 N 14th St, St. Louis, MO 63106, United States - Saturday, September 19, 2026; Saturday, September 26, 2026; Saturday, October 3, 2026, 9:30am- 12pm
Free Family Saturdays - Craft Alliance, 5080 Delmar Blvd, St. Louis, MO 63108, United States - Saturday, September 19, 2026; Saturday, October 17, 2026; Saturday, November 21, 2026; Saturday, December 19, 2026, 9:30 am - 11:30 am
Theme Nights- Zootoberfest Extended Hours - Saint Louis Zoo, Government Drive, St. Louis, MO 63110, United States - Saturday, September 19, 2026, 5-8 pm
Tons of Trucks - Hollywood Casino Amphitheater, Riverport Drive, Maryland Heights, MO, USA - Saturday, September 19, 2026, 11 am- 1 pm
Open Gym - Team Central Gymnastics Academy, Metro Boulevard, Maryland Heights, MO, USA - Saturday, September 19, 2026, 1:30PM - 3:00PM
Wildwood Farmers Market - Wildwood Farmers Market, 221 Plaza Drive, Wildwood, Grover, MO 63040, United States - Saturday, September 19, 2026; Saturday, September 26, 2026; Saturday, October 3, 2026, 8 am- 12 pm
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; Saturday, September 26, 2026; Saturday, October 3, 2026, 8 am - 12 pm
Arnold Farmers Market - Arnold Farmers Market, 2400 Bradley Beach Rd, Arnold, MO 63010, United States - Saturday, September 19, 2026; Saturday, September 26, 2026; Saturday, October 3, 2026, 8 am- 12 pm
Inclusive Gaming Group - P.O. Box 12454, St. Louis, MO 63132, United States - Saturday, September 19, 2026, 10AM - 12PM
Free STEM Saturday: AI, Coding, Robotics & More - A Willing Vessel Church, St. Louis, MO, USA - Saturday, September 19, 2026; Saturday, September 26, 2026; Saturday, October 3, 2026 and additional Saturdays through August 28, 2027, 8:00 AM - 1:00 PM
Movie Night in the Park - THE HEIGHTS: The Richmond Heights Community Center, 8001 Dale Ave, Richmond Heights, MO 63117, United States - Friday, September 18, 2026, 6:30 PM
Lap Time - 10267 Saint Charles Rock Road, Saint Ann, MO, USA - Friday, September 18, 2026; Friday, September 25, 2026; Friday, October 2, 2026 and select Fridays through December 18, 2026, 10:30 a.m.
Ferguson Farmer's Market - 501 South Florissant Road, Ferguson, MO, USA - Saturday, September 19, 2026; Saturday, September 26, 2026; Saturday, October 3, 2026, 8 am- 12 pm
Saint Charles Farmers Market - 370 Lakeside Park, Lakeside Park Drive, St. Peters, MO, USA - Saturday, September 19, 2026; Saturday, September 26, 2026; Saturday, October 3, 2026 and additional Saturdays through October 31, 2026, 8 am- 1 pm
Sunset Concert Series - 370 Lakeside Park, Lakeside Park Drive, St. Peters, MO, USA - Friday, September 19, 2026, All Sunset Friday concerts start at 6:30 p.m., food/beverage sales start at 6 p.m., unless otherwise stated.
Movies in the Park- Edwardsville City Park - City Park, South Buchanan Street, Edwardsville, IL, USA - Saturday, September 19, 2026, dusk
Teen Ghost Hunt - Glen Carbon Heritage Museum, 124 School Street, Glen Carbon, IL 62034, United States - Saturday, September 19, 2026, 7-9 PM
Girl Scouts at HLGU Community Block Party - Hannibal-LaGrange University, Palmyra Road, Hannibal, MO, USA - Saturday, September 19, 2026, 2pm - 6pm