1. Watertown's first Tree Lighting Ceremony will be held tonight in Watertown Square.
2. Learn about composting at a free lecture about organic gardening tonight at the Watertown Free Public Library.
3. The Arsenal Center for the Arts new Small Works Exhibit opens today and a reception will be held this evening.
4. Arsenal Wine and Spirits hosts a beer and wine tasting today.
5. Get the latest headlines in your email each morning in the free Watertown Patch Newsletter. Subscribe by clicking here.