Festivals in Longmont

• Sat, 02 May, 2026 - 10:30 AM

  Longmont Celebrates Cinco de Mayo 2026

  Roosevelt Park

  USD 100
• Sat, 09 May, 2026 - 12:00 PM

  Bloomgrass Festival 2026

  Wibby Brewing

  Free
• Tue, 17 Mar, 2026 - 11:00 AM

  St. Patrick's Day

  512 Main St, Longmont, CO, United States, Colorado 80501

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

  Colorado Tartan Day Festival

  Boulder County Fairgrounds

  473+ Interested
• Sat, 06 Jun, 2026 - 11:00 AM

  Longmont Dog Days

  Großen Bart Brewery

  23+ Interested
• Sun, 10 May, 2026 - 06:00 PM

  Blessing "Bled" Chimanga @ Bricks on Main

  Bricks on Main Longmont
• Sun, 14 Jun, 2026 - 10:30 AM

  Longmont Water Fair/Feria del Aqua de Longmont

  Dickens Farm Nature Area
• Fri, 14 Aug, 2026 - 02:00 PM

  BLISS, Sacred Sound Fest

  Wild Cider

  USD 22
• Fri, 05 Jun, 2026 - 06:00 PM

  An evening with Dead Panic in the Festgarten at Wibby

  Wibby Brewing

  105+ Interested
• Sat, 28 Mar, 2026 - 05:30 PM

  🌷🐾 Spring Family Festival at the Cat Café 🐾🌷

  1240 Ken Pratt Blvd, Longmont, CO, United States, Colorado 80501
• Fri, 10 Jul Onwards

  The Gothic Market

  Boulder County Fair
• Mon, 15 Jun, 2026 - 03:00 PM

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

  Grossen Bart Brewery

  Free