5 Things You Need To Know Today: Dec. 20

1. , the new all-volunteer library at the former Benton branch library, will meet tonight at , 336 Concord Ave. from 7:30 p.m. to 9 p.m. The meeting corresponds with the Board of Selectmen signing a license agreement with the group, moving it one step closer to the library's opening.

2. Wenner Field House is open at 7 p.m. to 9:30 p.m. Belmont High School, 221 Concord Ave. Monday evening activities include access to the fitness room, men's pick up basketball and the walking track. For an additional fee you may register for the Monday exercise class. Please register with the Recreation Dept. for this class.

3. High School Sports: , 5:30 p.m., 221 Concord Ave.

4. Close By: Tonight at 7:30 p.m., the New Repertory Theatre invites patrons, donors, and theater aficionados to join them for at the Arsenal Center for the Arts, 321 Arsenal St. The performance has a suggested donation of $20 and proceeds will benefit New Rep On Tour.

5. Still time to get that tree or wreath at the Belmont Lions Club annual Christmas tree at the Belmont Center MBTA commuter line station, 1 Common St.