Longmont Festivals Events

ArtWalk on Main -2026

Downtown Longmont 12 Sep 2026

FACE Vocal band in the Left Hand Beer Garden.

Left Hand Brewing Company beer garden 18 Jul 2026

Out of the Box- Summer Fest

Downtown Longmont 11 Jul 2026

First Friday Makers' Markets

667 4th Ave 3 Apr 2026

Wibby Jammin'! feat. Green Buddah, The Groove Thief, & DJ Soul Rock

Wibby Brewing 13 Jun 2026

Leftapalooza 2026, Presented by Colorado Materials

The Garden at Left Hand Brewing 27 Jun 2026

GRUNGE in the GARTEN: FOUR BANDS & FIREWORKS

209 Emery St, Longmont, CO, United States, Colorado 80501 4 Jul 2026

Summer Solstice Gathering at Double Rainbow Ranch

The Double Rainbow Ranch 20 Jun 2026

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

209 Emery St, Longmont, CO, United States, Colorado 80501 27 Jun 2026

Inclusive Community Celebration Hosted by Nepali Jatra

4th Avenue & Kimbark Street 11 Jul 2026

Smokin' Dads BBQ Throwdown

421 21st Ave Ste 1, Longmont CO 80501, Longmont, CO, United States, Colorado 80501 20 Jun 2026

BLISS, Sacred Sound Fest

Wild Cider 14 Aug 2026

Summer Family Fest

1240 Ken Pratt Blvd, Longmont, CO, United States, Colorado 80501 27 Jun 2026

Paul McDonald | Festgarten @ Wibby | FREE SHOW

209 Emery St, Longmont, CO, United States, Colorado 80501 31 Jul 2026

'26 Farmfest Music Evening: Foggy Memory Boys, Wednesday July 29th, 4:30-8:30

11150 Prospect Rd, Longmont, CO, United States, Colorado 80504 29 Jul 2026

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

11150 Prospect Rd, Longmont, CO, United States, Colorado 80504 12 Aug 2026

Longmont Water Fair/Feria del Aqua de Longmont

Dickens Farm Nature Area 14 Jun 2026

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

11150 Prospect Rd, Longmont, CO, United States, Colorado 80504 2 Oct 2026

'26 Farmfest Music Evening: High Country Hustle, Wednesday July 22, 4:30-8:30

11150 Prospect Rd, Longmont, CO, United States, Colorado 80504 22 Jul 2026

Farmfest Slow Food Fundraiser, Sunday August 23, 11-3:00PM

11150 Prospect Rd, Longmont, CO, United States, Colorado 80504 23 Aug 2026

STARS AND STRIPES CAMP

1623 Vista View Dr Unit 5, Longmont, CO, United States, Colorado 80504 29 Jun 2026

The Gothic Market

Boulder County Fair 10 Jul 2026

Defunkt Railroad at LunaFest '26

Grossenbart Brewery 14 Jun 2026

Ales4FemAles

Left Hand Brewing Company 15 Jun 2026

Turquoise Trail Show Circuit

Boulder County Fairgrounds 18 Jul 2026

Flag Day Celebration & Tours at Hoverhome

1309 Hover Street, Longmont, CO, United States, Colorado 80501 13 Jun 2026

55th Annual ColoRODans Rod Festival

Mountain States Children's Home 25 Jul 2026

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

Grossen Bart Brewery 15 Jun 2026