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  • National Grid Customer Advocate Event

    McDevitt Middle School 75 Church Street, Waltham, MA

    National Grid Customer Advocates will be available to meet one-on-one to discuss options to manage your energy bill and help you find assistance, including: Discounted Rates Payment Plans Budget Plans […]

    Free

  • Waltham Patriots’ Day — 250th anniversary ceremony

    Lexington Street and Lincoln Street 445 Lexington St, Waltham, MA

    Join us as we help celebrate the 250th anniversary of the Lexington alarm with Massachusetts National Guard Stephen K. Eaton-Unit #14. We will support the National Guard Veterans and VFW for the commemoration. The event will be held at the mustering point of those minute men of 1775, the intersection of Lincoln and Lexington Streets. […]

    Free

  • National Day of Action

    Main and Moody 1 Moody Street, Waltham, MA

    Indivisible Waltham and Waltham Concerned Citizens are having two rallies this week for May Day in support of working people. The rallies will be at Main and Moody, starting on […]

    Free

  • National Day of Action

    Main and Moody 1 Moody Street, Waltham, MA

    Indivisible Waltham and Waltham Concerned Citizens are having the second of two rallies this week for May Day in support of working people. The rallies will be at Main and […]

    Free

  • The inaugural NextGen STEMFest

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

    A day-long community-focused STEM festival. Let your curiosity wander! Innovation and creativity rule the day. The NextGen STEMFest is an event designed to ignite a passion for science, technology, engineering, and mathematics (STEM) in students of all ages. This new festival is funded by the National Science Foundation in celebration of their 75th anniversary, at […]

    Free

  • Girl Scouts placing of flags

    Calvary Cemetery 250 High Street, Waltham, MA, United States

    At 11:30 the Girl Scouts will place flags at Calvary Cemetery. Meet at the cemetery office.  

  • CANCELLED DUE TO WEATHER National Trails Day — MCRT cleanup

    140 Lexington Street 140 Lexington Street, Waltham, MA

    Help pick up litter and remove invasive plants along the newly opened Mass Central Rail Trail on this day when people all over the country are celebrating trails. Supplies will be provided, but bring work gloves if you have them. Park/meet in AutoZone lot, 140 Lexington Street.

    Free

  • National Purple Heart Day

    Waltham City Hall 610 Main St., Waltham, MA, United States

    Join the Veterans' Services Department for a Purple Heart flag raising.

    Free

  • Hardy Pond walk and new WLT land celebration

    Lazazzero Playground 7 Shore Road, Waltham, MA

    It's National Public Lands Day! We can't think of a better way to celebrate than with a stroll along the Hardy Pondside Walkway, followed by a party at our newly expanded Lakeview Preserve! Tag along on this 1.5-mile leisurely walk to learn about ongoing stewardship efforts to protect Hardy Pond while enjoying sights of nature […]

    Free