Five Things You Need to Know Today, Friday, November 9

1. Weather: The National Weather Service predicts a warm, sunny day with a high near 51 degrees. The evening will cloud over and the temperature will drop to 38 degrees.

2. Baby Boot Camp: Baby Boot Camp stroller-based fitness classes are designed specifically to help moms get fit at 8:30 a.m. at 43 Monument Square. This class is free. 

3. Belmont World Film’s 10th Annual Family Film Festival: Belmont World Film is celebrating the 10th anniversary of their international film fest at Museum of Fine Arts Boston. Cost of admission is $5 to $11. 

4. In Death Lamented: The Tradition of Anglo-American Mourning Jewlery: Mourning jewels are an expression of love and loss. This tradition is the focus of the Massachusetts Historical Society from 10 a.m. to 4 p.m. This event is free to the public. 

5. J.S. Bach, Frank Martin and Jan Dismas Zelenka: The Cantatas Singers are hosting a night of music at the NEC Jordan Hall at 8 p.m.. Price of admission ranges from $17 to $52, with a student discount of $10.