Longmont Halloween Parade & Trick or Treat Street 2026 Sat, 31 Oct at 10:00 am Roosevelt Park (line-up) & Main Street
Farmfest Sunday November 1, 10-2pm Sun, 01 Nov at 10:00 am 11150 Prospect Rd, Longmont, CO, United States, Colorado 80504 TRIPS-ADVENTURES
Farmfest Saturday October 31, 10-2pm Sat, 31 Oct at 10:00 am 11150 Prospect Rd, Longmont, CO, United States, Colorado 80504 TRIPS-ADVENTURES
Quarters Annual Adult Halloween Party Fri, 30 Oct at 07:00 pm 475 Main St, Longmont, CO, United States, Colorado 80501 HALLOWEEN-PARTIES
YMCA Trunk or Treat, Longmont Fri, 30 Oct at 06:00 pm 950 Lashley Street, Longmont, CO, United States, Colorado 80504
SEA OF CATRINAS — HALLOWEEN NIGHT Sat, 31 Oct at 07:00 pm 900 S Hover St, Ste D, Longmont, CO, United States, Colorado 80501 MUSIC
Spooks N Scares Gymkhana Hosted by Johnstown Saddle Club Sat, 31 Oct at 08:00 am Boulder County Fairgrounds WORKSHOPS
Halloween Comedy Show + Costume Contest Fri, 30 Oct at 06:30 pm Parkway Food Hall USD 13 TO 15 COMEDY
Howl-o-ween Trick or Treat at LSAH Sat, 31 Oct at 11:00 am 104 S Main St, Longmont, CO, United States, Colorado 80501 NONPROFIT
Halloween Parade with the Left Hand Artist Group L-HAGs! Sat, 31 Oct at 09:30 am Roosevelt Park, Longmont, Colorado HALLOWEEN
Trunk or Treat Fri, 30 Oct at 04:00 pm 1005 Ken Pratt Blvd, Longmont, CO, United States, Colorado 80501 TRUNK-OR-TREAT
Family Fall Fest at Elevated Communities Cat Cafe Fri, 30 Oct at 05:30 pm 1240 Ken Pratt Blvd, Longmont, CO, United States, Colorado 80501 FESTIVALS
Longmont Halloween Parade & Trick or Treat Street Sat, 31 Oct at 09:30 am 700 Longs Peak Ave, Longmont, CO, United States, Colorado 80501 KIDS
Highland Lake Fall Activity Fri, 30 Oct at 06:00 pm The Church of Jesus Christ of Latter-day Saints FREE FITNESS
Halloween party at The Longmont American Legion!! Sat, 31 Oct at 07:00 pm American Legion Auxiliary Unit 32 HALLOWEEN-PARTIES