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

Cpra Rodeo

Boulder County Fairgrounds Outdoor Arena 6 Aug 2026

Ripple Effect Martial Arts 4th Location Grand Opening Celebration

Ripple Effect Martial Arts 1 Aug 2026

Left Hand Brewing Oktoberfest 2026

1245 Boston Ave 25 Sep 2026

First Friday Makers' Markets

667 4th Ave 3 Apr 2026

Legends Return Past Winners of Leftapalooza Presented By High Country Bank!

1245 Boston Ave 29 Aug 2026

BTL @ ArtWalk on Main 2026

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

LevelUp Longmont Esports Tournament and Festival

Longmont Museum 19 Sep 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

Paul McDonald | Festgarten @ Wibby | FREE SHOW

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

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

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

'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

BLISS, Sacred Sound Fest

Wild Cider 14 Aug 2026

Pumpkin Pie Days Vintage & Antique Market

Boulder County Fairgrounds Exhibit Building 10 Oct 2026

Ollin Farms Festival at the Farm

Ollin Farms 1 Aug 2026

RMPR Sunday Funday Pop-Up Market!

9059 Ute Hwy, Longmont, CO 9 Aug 2026

☀️Summer Celebration Market Series at Parkway Food Hall☀️

Parkway Food Hall 8 Aug 2026

Farmfest Sunday August 2nd, 9-1pm

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