Open Chess Night @ the Library
5:30 pm – 7:30 pm · Longmont Public Library
Market
Longmont Farmers Market
· 8 am – 1 pm · Boulder County Fairgrounds (north parking lot)
Checked November 1, 2026 against bouldercounty.gov. Times can change; the organizer’s page is the record. Report a correction · Know something opening or closing? Tell us
The Longmont Farmers Market, run by Boulder County Farmers Markets, in the north parking lot of the Boulder County Fairgrounds: Saturdays 8 am to 1 pm through November 21, with live music most weeks. No pets.