Calendar in Longmont

Check out happening calendar events all around Longmont, CO

Dank Grass 2026 - Beer and Bluegrass Festival

 Sat, 18 Apr at 11:00 am 1640 S Sunset St, Longmont, CO 80501

4-H Spring Carnival Western Arcade

 Sat, 14 Mar at 10:30 am Boulder County Fairgrounds Exhibit Building

Longmont Dog Days

 Sat, 06 Jun at 11:00 am Großen Bart Brewery

UA Revived! Breathing again at Bootstrap

 Sat, 21 Mar at 06:00 pm Bootstrap Brewing

RMBC Back to Back June Specialties

 Thu, 04 Jun at 12:00 pm Boulder County Fair

Sanctuary Spectacular Gala

 Sat, 09 May at 05:00 pm Bestow Events 201 Main Street Longmont, CO, 80501

Soundpost Sessions SPOTLIGHT: The Cross-Eyed Possum w/ Travis McNamara

 Thu, 14 May at 07:30 pm The Times Collaborative USD 18