Teddy Bear Picnic from 5:30 to 7 p.m. at the Somerville Community Growing Center, 22 Vinal Ave., near Union Square, Somerville. Free.
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Ken Green at Story Space from 6:45 to 9 p.m. at Havurat Shalom, 113 College Ave., Powder House Square, Somerville. There is a $5 requested donation.
Starstruck: Close Encounters of the Awkward Kind from 7 to 9 p.m. at The Rockwell, 255 Elm St., Davis Square, Somerville. Free, but register here.
Festival of Us, You, We & Them all weekend at The Dance Complex, 536 Massachusetts Ave., Central Square. Most events are free.
Summer Reading Series at Lesley University, taking place at the Marran Theater, 34 Mellen St., on Lesley’s Doble Campus in the Agassiz neighborhood near Harvard Square. Free.
The Tree that Falls Summer Concert from 3 to 4 p.m. at Longfellow House, 105 Brattle St., West Cambridge. Free.
Fat Cats for MICE Fundraiser from 3 to 6 p.m. at Alley, 10 Ware St., Mid-Cambridge, near Harvard Square. Free, though donations are encouraged with raffle tickets available at the door for prizes and a carnival of activities. (Fancy duds are requested, but not required.)