Citywide Calendar

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Welcome to Longmont's Calendar of Events!

The events listed on this Calendar are City of Longmont sponsored events and is not a comprehensive list of all activities happening around the community. Dates and times of these events are subject to change without notice.

Trash, Recycling, & Composting - Holidays & Events

View via the address-based Online Collection Calendar and sign up for reminders.

Other Community Events

To view other events being held around Longmont, please visit the Longmont visitors bureau events calendar at

Subscribe to the City Calendar

To get events emailed to you directly, sign up for the Calendar eNotifications and then select the Calendar categories.

Backyard Nature & Science for Families

Learn about the natural wonder and amazing science in our own backyards with this special storytime for young children and their caregivers.

Tuesdays & Wednesdays, 10:15 to 11 am, June 4 - July 25

  • Feed your child's natural curiosity about the world around us with a science-themed storytime that includes hands-on exploration of nature around us in our own neighborhoods. Learn about everything from insects to dinosaurs and rocks to plants.
  • This storytime includes parent or caregiver participation.
  • Each session will end with a make and take activity.
  • All ages welcome.
  • No registration required.

The Friends of the Longmont Library generously support library programs and services.

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