1) Nibble Book Celebration
Nibble, a Somerville Arts Council book about the international culinary diversity of Union Square, has a book celebration today at Porter Square Books. The celebration is from 7 p.m. to 8 p.m.
2) El Sistema's Valentine's Day Concert
El Sistema, an afterschool program that teaches classical music to young students, presents a Valentine's Day concert tonight at 5 p.m. at the East Somerville Community School gymnasium at 8 Bonair St. See a video invitation here.
3) The Apron & Pearl Necklace Sewing Class
From the listing: "Just like Julia! Make a fun and flirty apron from our selection of kitschy, retro-themed fabrics and accessorize it with a handmade faux pearl necklace!" It's at the Boston Vintage Factory at 3 p.m.
4) A Unique Valentine’s Day Gift From Blue Cloud Gallery
Because your pet needs his or her portrait done for Valentine's Day.
Mostly sunny today with a high around 46.