National Night Out
Come join the Cambridge Police Department and other community partners to celebrate National Night Out at Donnelly Field.
The event is free and open to all.
There will be numerous activities including games, slides, races, an introduction to lacrosse, soccer, volleyball, obstacle course, face painting, dunk tank, food & more.
Tuesday, August 4th, 2026
3PM - 10PM
Donnelly Field
York St. & Berkshire St., Cambridge, Ma 02141
3RD Annual Spelling Bee Finals (Main)
Join us for the 3rd Annual Spelling Bee. The spelling bee aims to enhance the spelling and vocabulary skills of contestants while promoting reading, writing, and appreciation for the power of words. Community members are invited to attend the finals to provide support and cheer on contestants. Cosponsored by the Fletcher Maynard Academy, My Brother's Keeper Cambridge, Sisters with a Dream, and Cambridge Public Library.
Community Astronomy Night
Are you interested in viewing planets and identifying constellations? Ever wanted to take apart a telescope to see how it works? Join the Cambridge STEAM Initiative and other partners at the annual Community Astronomy Night event to explore the night sky, guided by high school interns from the Center for Astrophysics | Harvard & Smithsonian Science Research Mentoring Program. Register by end of day on Thursday, March 5.
Summer Reading: Pajama Story Time (O'Neill)
Come to the library in your pajamas to listen to stories, read with your children, and enjoy a snack before bed! This program is recommended for children of all ages and their caregivers.
This program will happen outside. In case of rain or bad weather it will be inside the O'Neill Branch.
Pajama Story Time is presented by the Cambridge Public Library and the Center for Families.