Longmont Festivals Events

Unity in the Community

Downtown Longmont 28 Aug 2026

ArtWalk on Main -2026

Downtown Longmont 12 Sep 2026

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

1245 Boston Ave 29 Aug 2026

Unity in the Community

4th Ave and Kimbark St., Longmont, CO 80501 28 Aug 2026

First Friday Makers' Markets

667 4th Ave 3 Apr 2026

Legends of Leftapalooza Return

Left Hand Brewing Company, Boston Avenue, Longmont, CO, USA 29 Aug 2026

BTL @ ArtWalk on Main 2026

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

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

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

LevelUp Longmont Esports Tournament and Festival

Longmont Museum 19 Sep 2026

Left Hand Brewing Oktoberfest 2026

1245 Boston Ave 25 Sep 2026

2026 HGB Fiber Art Show & Sale

Boulder County Fairgrounds Exhibit Building 4 Nov 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

Pumpkin Pie Days Vintage & Antique Market

Boulder County Fairgrounds Exhibit Building 10 Oct 2026

KC36 Is Back At Bricks on Main!!

Bricks on Main Longmont 25 Sep 2026

Sunset Autumn Equinox Gathering

Ollin Farms 21 Sep 2026

Soundpost Sessions SPOTLIGHT: Wrenn Van w/ Areymá

Longmont Public Media 17 Dec 2026

St. Vrain Trunk or Treat / Fall Festival

The Church of Jesus Christ of Latter-day Saints 24 Oct 2026