Q: What are the upcoming Festivals in Longmont?

Here are the upcoming events in Longmont: Longmont Celebrates Cinco de Mayo 2026, Winterfest 2026: Ice Climbing World Cup, Colorado Tartan Day Festival, Lunar New Year Festival, 2nd Annual Reggae Fest at Bootstrap Brewing!, Future Ready Festival: Experience the St. Vrain Advantage

Festivals in Longmont

Sat, 02 May, 2026 - 10:30 AM

Longmont Celebrates Cinco de Mayo 2026

Roosevelt Park

USD 100
Sat, 21 Feb, 2026 - 12:00 PM

Winterfest 2026: Ice Climbing World Cup

155 Pinnacle St, Longmont, CO, United States, Colorado 80504

132+ Interested
Sat, 11 Apr, 2026 - 09:00 AM

Colorado Tartan Day Festival

Boulder County Fairgrounds

277+ Interested
Sat, 21 Feb, 2026 - 04:00 PM

Lunar New Year Festival

Yellow Barn Farm

Free
Sat, 21 Feb, 2026 - 12:00 PM

2nd Annual Reggae Fest at Bootstrap Brewing!

142 Pratt Street, Longmont, CO, United States, Colorado 80501

7+ Interested
Sat, 07 Mar, 2026 - 02:00 PM

Future Ready Festival: Experience the St. Vrain Advantage

Silver Creek High School
Fri, 14 Aug, 2026 - 02:00 PM

BLISS, Sacred Sound Fest

Wild Cider

USD 22
Sat, 07 Mar, 2026 - 09:00 AM

40th Anniversary Spring Quilt Sale

First Lutheran Church at 3rd and Terry St., Longmont, CO

24+ Interested
Mon, 15 Jun, 2026 - 03:00 PM

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

Grossen Bart Brewery

Free

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Festivals from nearby cities

Sat, 30 May • 05:00 PM

Outside Days Festival: Cage The Elephant Tash Sultana & Grouplove - Sunday

Auraria Campus
Sat, 21 Feb • 10:30 PM

Cristoph-All Night Long | Warehouse

TBA Denver, Colorado, USA

344+ Interested
Wed, 12 Aug • 05:00 PM

Zach Bryan MJ Lenderman & Fey Fili

Empower Field At Mile High
Mon, 25 May • 01:00 AM

Alabama Shakes with JJ Grey & Mofro

Red Rocks Amphitheatre
Fri, 26 Jun • 08:00 PM

Nelly with Graham Barham at the Greeley Stampede

600 N 14th Ave, Greeley, CO, United States, Colorado 80631

442+ Interested
Thu, 08 Oct • 05:00 PM

Great American Beer Festival - Friday

Colorado Convention Center
Wed, 07 Oct • 05:00 PM

Great American Beer Festival - Thursday

Colorado Convention Center
Fri, 17 Apr • 07:00 PM

Pepper in Morrison

Red Rocks Amphitheatre
Fri, 24 Jul • 10:00 AM

The 54th Annual RockyGrass Festival

500 W. Main Street, Lyons, CO, United States, Colorado 80540

2648+ Interested

Frequently Asked Questions

What are the upcoming Festivals in Longmont?

Here are the upcoming Festivals in Longmont:

Longmont Celebrates Cinco de Mayo 2026 is happening on Sat 02 May 2026 from 10:30 AM onwards at Roosevelt Park, Longmont
Winterfest 2026: Ice Climbing World Cup is happening on Sat 21 Feb 2026 from 12:00 PM onwards at 155 Pinnacle St, Longmont, CO, United States, Colorado 80504
Colorado Tartan Day Festival is happening on Sat 11 Apr 2026 from 9:00 AM onwards at Boulder County Fairgrounds, Longmont
Lunar New Year Festival is happening on Sat 21 Feb 2026 from 4:00 PM onwards at Yellow Barn Farm, Longmont
2nd Annual Reggae Fest at Bootstrap Brewing! is happening on Sat 21 Feb 2026 from 12:00 PM onwards at 142 Pratt Street, Longmont, CO, United States, Colorado 80501
Future Ready Festival: Experience the St. Vrain Advantage is happening on Sat 07 Mar 2026 from 2:00 PM onwards at Silver Creek High School, Longmont