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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.

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

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

National Night Out

National Night Out Set For August 4, 1020

  • Date: 08/04/2020 6:00 PM - 9:00 PM  
On Tuesday, Aug. 4, 2020 from 6pm to 9pm, neighborhoods throughout Longmont are being invited to join forces with thousands of communities nationwide for the "37th Annual National Night Out" (NNO) crime and drug prevention event. National Night Out is sponsored by the City of Longmont Public Safety Department and Longmont Community and Neighborhood Resources.
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