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.

Silly Spooky Fall Fun for Kids on the Spectrum

Come to Library for some silly spooky fall fun, especially for kids on the autism spectrum and their families.
  • Join us for another fun night designed especially for children and teens on the autism spectrum and their families.
  • We'll takeover the Library after closing and have some silly, spooky fall fun -- including haunted house LEGO building, sensory storytime, silly, spooky, short films, and open gaming in our computer lab.  Costumes are encouraged but not required!
  • Resource providers for families with children and teens on the spectrum will be available.
  • Pizza dinner provided!
  • The event is free, but requires advanced registration. Registration will open here on Friday, September 8, at 10 am. No email address?  Call (303) 651-8477 to register.

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

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