Longmont Festivals Events

ArtWalk on Main -2026

Downtown Longmont 12 Sep 2026

2026 HGB Fiber Art Show & Sale

Boulder County Fairgrounds Exhibit Building 4 Nov 2026

Out of the Box- Summer Fest

Downtown Longmont 11 Jul 2026

FACE Vocal band in the Left Hand Beer Garden.

Left Hand Brewing Company beer garden 18 Jul 2026

Nepali Jatra & Inclusive Communities Revival

457 4th Ave, Longmont, CO 80501-5507, United States 11 Jul 2026

🎉 AMERICA'S SUMMER POP-UP SERIES IS COMING TO PARKWAY FOOD HALL!

Parkway Food Hall 11 Jul 2026

Garden Grass Bluegrass Festival

Left Hand Brewing Company beer garden 11 Jul 2026

First Friday Makers' Markets

667 4th Ave 3 Apr 2026

BTL @ ArtWalk on Main 2026

Main St, Longmont, CO, United States 12 Sep 2026

The Wellness Social at Bestow Events

Bestow Events 18 Jul 2026

LevelUp Longmont Esports Tournament and Festival

Longmont Museum 19 Sep 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

Inclusive Community Celebration Hosted by Nepali Jatra

4th Avenue & Kimbark Street 11 Jul 2026

BLISS, Sacred Sound Fest

Wild Cider 14 Aug 2026

BOULDER COUNTY FAIR & RODEO PARADE Original Parade Route is Back! Roosevelt Park/Main/3rdAve/Coffman

910 Longs Peak Avenue, Longmont, CO 1 Aug 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

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

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

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

RMPR Sunday Funday Pop-Up Market!

9059 Ute Hwy, Longmont, CO 9 Aug 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

The Gothic Market

Boulder County Fair 10 Jul 2026

Turquoise Trail Show Circuit

Boulder County Fairgrounds 18 Jul 2026

Farmfest Sunday July 26th, 9-1pm

11150 Prospect Rd, Longmont, CO, United States, Colorado 80504 26 Jul 2026

Farmfest Sunday August 2nd, 9-1pm

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

Saturday July 11th, Farmfest 9-1:00

11150 Prospect Rd, Longmont, CO, United States, Colorado 80504 11 Jul 2026

55th Annual ColoRODans Rod Festival

Mountain States Children's Home 25 Jul 2026

Pumpkin Pie Days Vintage & Antique Market

Boulder County Fairgrounds Exhibit Building 10 Oct 2026