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

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Summer

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Today

  • Summer Solstice

    Piety Corner Club 2 Worcester Lane, Waltham, MA

    Summer Solstice—It's the longest day of the year! Live music, dancing, activities, outdoor games, potluck (finger food). Meet new neighbors, see old friends. Help make this event happen! We need […]

    Free

  • Summer on the Farm 2025

    Waltham Fields Community Farm 240 Beaver St, Waltham, MA, United States

    A drop-off program for rising 1st through 8th grade youth all summer long. Through 8-29-2025. View the complete schedule, session availability, and registration information here.

    $325

  • Girlstart summer program

    James FitzGerald Elementary 138 Beal Road, Waltham, MA

    Girlstart is hosting week-long day programs packed with hands-on STEM adventures at FitzGerald Elementary and MacArthur Elementary for students entering 4th or 5th grade in the 2025-2026 academic year. From interactive experiments to creative challenges, campers dive into science, technology, engineering, and math in engaging ways—sparking curiosity and encouraging a lasting interest in STEM careers. […]

    Free

  • Girlstart summer program

    MacArthur School 494 Lincoln Street, Waltham

    Girlstart is hosting week-long day programs packed with hands-on STEM adventures at MacArthur Elementary for students entering 4th or 5th grade in the 2025-2026 academic year. From interactive experiments to creative challenges, campers dive into science, technology, engineering, and math in engaging ways—sparking curiosity and encouraging a lasting interest in STEM careers. MacArthur session: 'Wild […]

    Free

  • Waltham Inclusive Neighborhoods—Summer social and potluck

    30 Robbins Street 30 Robbins Street, Waltham, MA

    Please join us for the WIN summer social and potluck. This will be a backyard social here in Waltham, thanks to the generosity of one of our neighbors. We will have food, plenty of refreshments, and a big crowd of wonderful pro-housing advocates. Bringing food or drink for the potluck is appreciated but not required. […]

    Free

  • Bouncy house party!

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

    Bouncy house party / Fiesta con casa inflable Celebrate the end of summer with bouncy house fun, free ice cream and tunes with DJ MakBeatz! On the library lawn. ¡Celebra el final del verano saltando en la casa inflable, habrá mucha diversión, helados gratis y música con DJ Makbeatz!

    Free

  • Mayor’s annual summer concert

    Waltham Common 610 Main St, Waltham, MA, United States

    Bring a blanket or a lawn chair and join us for a fun and free night filled with various genres of excellent live music. Lots of fun for the whole family.

    Free