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

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  • Waltham Farmers’ Market

    Waltham Farmers’ Market

    65 Lexington Street 65 Lexington Street, Waltham

    Shop local! Shop outdoors! Featuring locally-grown produce, cheese, eggs, meats, baked goods, soaps, sauces, wine and mead, and prepared specialty meals to go. The 2026 location is 65 Lexington Street, […]

    Free
  • Hosta and perennial sale

    Hosta and perennial sale

    Lyman Estate Greenhouse 185 Lyman Street, Waltham, MA, United States

    Explore the historic greenhouses and take home a new plant. Hosta and perennial plants of all shapes, sizes, and colors are available, including many new and hard-to-find varieties. Our experts can help you choose the right plants for your garden. May 30, May 31, and June 6. 9:30 a.m. - 4:00 p.m. Historic New England […]

  • De-ICE Citizens Bank

    Waltham

    Rally at the Citizens Bank branch at 716 Main Street in Waltham to protest their investments in the private prisons and detention centers that are used to hold immigrants in […]

    Free
  • Mass Central Rail Trail cleanup

    AutoZone parking lot 140 Lexington Street, Waltham

    Help pick up litter and remove invasive plants from along the Mass Central Rail Trail on National Trails Day, when people all over the country will celebrate trails. Supplies will be provided, but please bring work gloves if you have them. Poison ivy will be present--dress appropriately. Bring water, sunscreen and insect repellent for ticks. […]

    Free
  • Open house at Historic New England’s Lyman Estate

    Lyman Estate 185 Lyman Street, Waltham

    Historic New England's sites across the region are open and free to the public today. At the Lyman Estate, stroll through the 1793 mansion (10 a.m. to 2 p.m.) and pop into the historic greenhouses (9:30 a.m. to 4 p.m.;  hosta and perennial sale ongoing).

    Free
  • Family Style Series: Great Indian food & good conversation

    Peppino's Dosa 434 Moody St, Waltham

    Looking to mix up your weekend routine? Join us for a family-style Indian feast where the food is shared, the conversation flows, and making new friends is basically guaranteed. Perfect for […]

    $3.00
  • Coffee social at the Café

    Cafe On The Common Waltham

    Looking to meet new people over a great cup of coffee? Join us at Café on the Common in Waltham for a relaxed, conversational coffee social! The café’s cozy atmosphere makes it a perfect spot to connect with others, unwind, and start your morning with community. We’ll get together for friendly conversation and a laid-back morning […]

    Free
  • Waltham Historical Commission Meeting

    Historical Commission meeting

    Zoom

    The Waltham Historical Commission meets monthly, year-round. Meetings are typically held on the second Monday of the month at 7 p.m. To appear before the WHC or to submit correspondence or information, contact the commission 10 business days prior to the meeting. Meetings are usually held remotely via Zoom and are open to the public. […]

  • Waltham City Council meeting

    Waltham City Council meeting

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

    Waltham City Council normally meets on the second and fourth Mondays of each month, except during July and August. If a meeting falls on a Monday holiday, Council instead meets […]

  • National Grid — Customer assistance event

    McDevitt Middle School 75 Church Street, Waltham, MA

    National Grid representatives will be available to help customers stay cool and manage costs this summer. Explore bundled solutions that combine energy savings with bill management programs, or connect one-on-one with customer advocates.