Dates and times are subject to change by organizers. Please visit the organizers’ website for the latest information.

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  • Lyman Estate southern woods cleanup

    Lyman Estate 185 Lyman Street, Waltham

    Help remove trash that has accumulated in the woods on the south side of the property near the Mass Central Rail Trail. Afterwards, volunteers can enjoy a free tour of the property, light refreshments, and the satisfaction of a job well done. Supplies and instructions will be provided, but bring work gloves if you have […]

    Free
  • Crazy Rube Goldberg Week!

    Charles River Museum of Industry & Innovation 154 Moody Street, Waltham, United States

    A Week-Long Build In The Museum Main Gallery! Zachs Contraptions Starting on Monday, March 30th, and continuing through Friday April 3rd Rube Goldberg Machine Build in the Museum Main Gallery FREE with Museum Admission Using parts and pieces found here at the Museum, as well as in his own collection, master contraption builder Zach Umperovich […]

    Free
  • Community Town Hall on surveillance cameras, use of Waltham Common

    City of Waltham Government Center 119 School Street, Waltham, MA

    This town hall is a forum for community members to present information about two topics: The use of surveillance technology and automatic license plate reader technology. Use of Waltham Common Residents will hear brief presentations from community members. The floor will then be open for residents to speak.

  • Waltham Partnership for Youth: Now accepting summer internship applications

    online via https://bit.ly/WPYInternshipApply

    The 2026 Waltham Partnership for Youth (WPY) summer internship program application is now open. WPY’s paid 2026 summer internship program runs from June 29 to August 7 and is open to Waltham residents in high school, ages 14 and older. Students must be available for all six weeks of the program. Some placements may have […]

  • The 2026 Official Rube Goldberg Machine Contest Regional Qualifier Event

    Charles River Museum of Industry & Innovation 154 Moody Street, Waltham, United States

    Registration required to participate in the Rube Goldberg Machine Contest! Watch the contestants throughout the day! Included with Museum Admission Open To Grades K-12 Plus Anyone 18+ May Now Compete!  

    Free
  • Waltham Partnership for Youth: Deadline for Summer internship application tonight

    online via https://bit.ly/WPYInternshipApply

    Deadline to submit applications for the WPY Summer Internship Program is tonight at 11:59 p.m. The 2026 Waltham Partnership for Youth (WPY) summer internship program application is now open. WPY’s paid 2026 summer internship program runs from June 29 to August 7 and is open to Waltham residents in high school, ages 14 and older. […]

  • 2026 MassEnergize Community Climate Leaders annual conference

    Bentley University 175 Forest Street, Waltham, MA

    A powerful one-day gathering bringing together 250+ passionate climate leaders from across Massachusetts. Get inspired, learn what’s working in other communities, and connect with the people driving real climate impact. Expect a full day of dynamic sessions, practical tools, and unmatched networking with organizers, municipal staff, students, advocates, and partners committed to accelerating local climate […]

    $95
  • Local News Day meet-up with the Waltham Times

    Shopper's Cafe 731 Moody St, Waltham, MA

    Join The Waltham Times team on Thursday, April 9, as we celebrate Local News Day, a nationwide event recognizing the vital role of local newsrooms in delivering fact-based, accountable journalism to communities. We’re marking the occasion with two informal gatherings. Join us for lunch or after work to meet members of our newsroom and volunteer team for lively […]

  • Board of Library Trustees meeting

    Board of Library Trustees meeting

    Waltham Public Library 735 Main St, Waltham, MA, United States

    A Board of Library Trustees appointed by the mayor establishes Waltham Public Library policies, which are administered by the Library Director. The Trustees typically meet on the second Thursday of each month from September through June, at 2:00 p.m. in the Trustees Room. Meetings are open to the public, and interested citizens are welcome to […]

  • Local News Day meet-up with the Waltham Times

    Mighty Squirrel—Waltham 411 Waverley Oaks Road, Waltham, MA

    Join The Waltham Times team on Thursday, April 9, as we celebrate Local News Day, a nationwide event recognizing the vital role of local newsrooms in delivering fact-based, accountable journalism to communities. We’re marking the occasion with two informal gatherings. Join us for lunch or after work to meet members of our newsroom and volunteer team for lively […]

  • Indivisible Waltham rally

    Main and Moody 1 Moody Street, Waltham, MA

    Indivisible Waltham is holding a rally to oppose the war in Iran.

    Free
  • Cedar Hill: Cornelia Warren’s gift to the Girl Scouts

    The Waltham Museum 25 Lexington Street, Waltham, MA

    Join us as we continue our Social Series with “Cedar Hill: Cornelia Warren’s gift to the Girl Scouts” with Francine Edwards, one of the co-founders of the Girl Scout Museum at Cedar Hill. This event provides a retrospective look at Cedar Hill, a woodland oasis away from the bustle of modern life, where campers can […]

    Free