Festivals in Longmont

• Sat, 02 May, 2026 - 10:30 AM

  Longmont Celebrates Cinco de Mayo 2026

  Roosevelt Park

  USD 100
• Sat, 21 Feb, 2026 - 12:00 PM

  Winterfest 2026: Ice Climbing World Cup

  155 Pinnacle St, Longmont, CO, United States, Colorado 80504

  152+ Interested
• Sat, 28 Feb, 2026 - 09:00 AM

  2026 Alpaca Extravaganza - Free to Public

  Boulder County Fairgrounds

  1337+ Interested
• Sat, 21 Feb, 2026 - 04:00 PM

  Lunar New Year Festival

  Yellow Barn Farm

  Free
• Sat, 06 Jun, 2026 - 11:00 AM

  Longmont Dog Days

  Großen Bart Brewery

  5+ Interested
• Sat, 11 Apr, 2026 - 09:00 AM

  Colorado Tartan Day Festival

  Boulder County Fairgrounds

  325+ Interested
• Sat, 21 Feb, 2026 - 12:00 PM

  2nd Annual Reggae Fest at Bootstrap Brewing!

  142 Pratt Street, Longmont, CO, United States, Colorado 80501

  7+ Interested
• Sat, 07 Mar, 2026 - 02:00 PM

  Future Ready Festival: Experience the St. Vrain Advantage

  Silver Creek High School
• Fri, 14 Aug, 2026 - 02:00 PM

  BLISS, Sacred Sound Fest

  Wild Cider

  USD 22
• Sat, 07 Mar, 2026 - 09:00 AM

  40th Anniversary Spring Quilt Sale

  First Lutheran Church at 3rd and Terry St., Longmont, CO

  31+ Interested
• Mon, 15 Jun, 2026 - 03:00 PM

  LunaFest '26 - It's back, with a vengeance!

  Grossen Bart Brewery

  Free