Festivals in Longmont

Check out happening festivals events all around Longmont, CO

ArtWalk on Main -2026

 Sat, 12 Sep at 04:00 pm Downtown Longmont

FACE Vocal band in the Left Hand Beer Garden.

 Sat, 18 Jul at 05:30 pm Left Hand Brewing Company beer garden USD 23 to 266

Out of the Box- Summer Fest

 Sat, 11 Jul at 03:00 pm Downtown Longmont

First Friday Makers' Markets

 Fri, 03 Apr at 04:30 pm 667 4th Ave Free

Longmont Dog Days

 Sat, 06 Jun at 11:00 am Großen Bart Brewery

Leftapalooza 2026, Presented by Colorado Materials

 Sat, 27 Jun at 10:30 am The Garden at Left Hand Brewing USD 23 to 504

FORD vs CHEVY Weekend Extravaganza

 Fri, 12 Jun at 09:00 am Boulder County Fairgrounds, Colordo Nat'l Speedway, more

STEELY DEAD: A Sonic Fusion of Steely Dan & Grateful Dead: Festgarten at Wibby

 Sat, 27 Jun at 06:00 pm 209 Emery St, Longmont, CO, United States, Colorado 80501

Inclusive Community Celebration Hosted by Nepali Jatra

 Sat, 11 Jul at 05:00 pm 4th Avenue & Kimbark Street Free

Smokin' Dads BBQ Throwdown

 Sat, 20 Jun at 11:00 am 421 21st Ave Ste 1, Longmont CO 80501, Longmont, CO, United States, Colorado 80501

Main St Laughs - FREE Stand Up Comedy

 Thu, 04 Jun at 08:00 pm Bricks On Main Free

Longmont Water Fair/Feria del Aqua de Longmont

 Sun, 14 Jun at 11:00 am Dickens Farm Nature Area

BLISS, Sacred Sound Fest

 Fri, 14 Aug at 02:00 pm Wild Cider USD 22 to 222

'26 Farmfest Music Evening: Daniel Rodriguez, Wednesday August 12th, 4:30-8:30pm

 Wed, 12 Aug at 04:30 pm 11150 Prospect Rd, Longmont, CO, United States, Colorado 80504

'26 Farmfest Music Evening: Andy Thorn, Friday October 2, 4:30-8:30

 Fri, 02 Oct at 04:30 pm 11150 Prospect Rd, Longmont, CO, United States, Colorado 80504

Paul McDonald | Festgarten @ Wibby | FREE SHOW

Fri, 31 Jul at 06:00 pm 209 Emery St, Longmont, CO, United States, Colorado 80501

MIXTAPE: Songwriter Showcase featuring Eben Grace and Pamela Machala

 Thu, 28 May at 07:30 pm The Times Collaborative USD 18

An evening with Dead Panic in the Festgarten at Wibby

 Fri, 05 Jun at 06:00 pm Wibby Brewing

STARS AND STRIPES CAMP

 Mon, 29 Jun at 09:00 am 1623 Vista View Dr Unit 5, Longmont, CO, United States, Colorado 80504

The Gothic Market

 Fri, 10 Jul at 05:00 pm Boulder County Fair

Turquoise Trail Show Circuit

 Sat, 18 Jul at 08:00 am Boulder County Fairgrounds

WhiteWater Ramble @ Bricks on Main (Ticketed Event)

 Sat, 06 Jun at 06:00 pm Bricks on Main Longmont

55th Annual ColoRODans Rod Festival

 Sat, 25 Jul at 10:00 am Mountain States Children's Home

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

 Mon, 15 Jun at 03:00 pm Grossen Bart Brewery Free