Cambridge Declares Heat Advisory Starting Monday, July 13
Based on forecasts from the National Weather Service, the City of Cambridge is declaring a Heat Advisory starting Monday, July 13, 2026. The City is anticipating a Heat Emergency Tuesday and Wednesday based on current forecasts.
Cambridge Celebrates Arbor Week May 4-8
The Cambridge Department of Public Works invites you to celebrate Arbor Week May 4-8, featuring activities, information and giveaways that promote the City's Urban Forest. Arbor Week celebrates the critical role that trees play in keeping our City healthy and resilient. Come meet staff, learn about Cambridge’s trees and get a free seedling!
Loving Day (Main)
Join us to celebrate the Supreme Court decision legalizing interracial marriages in all states.
Enjoy refreshments, music, games, and activities for all ages. This event is brought to you by the Citizens' Committee on Civic Unity, the Cambridge Peace Commission, and the Cambridge Public Library.
Union Contracts
A website section that includes the City of Cambridge's current collective bargaining agreements.
Summer Reading: Live Animal Program with Mass Audubon (O'Connell)
What better way to learn about wildlife than by observing them in person? Meet local wildlife ambassadors and discover the amazing adaptations that help them survive in the wild. Ask questions and learn what you can do to protect the wildlife of Cambridge. For children of all ages and their caregivers.
Funding for Summer Reading has been generously provided by the City of Cambridge, Cambridge Public Library Foundation and Friends of the Cambridge Public Library.
CPL Nature Club: Moth Ball Mask Making (Collins)
Celebrate National Moth Week in style!
Step 1: Drop by the Collins Branch to make a moth mask with guidance and costume advice from Cambridge Wildlife Arts.
Step 2: Debut your mask on the red carpet at the second annual Cambridge Moth Ball on Wednesday, July 23 from 7:30-10 p.m at the Fresh Pond Reservation's Kingsley Park. Learn all about moths and their role in the ecosystem, participate in "mothing," and take photographs of moths. Costumes encouraged for children & adults!