The 20th Annual Sonoma Plein Air Festival is held in September, bringing nationally acclaimed artists to Sonoma for a week to paint, show and sell their work to benefit youth art education in Sonoma.

The Festival is produced by the all-volunteer Sonoma Plein Air Foundation. The Art Show and Sale and a Gala Dinner event are the primary source of funding to provide art education for public school students in the Sonoma Valley.

Since 2002, over $1.7 million dollars
has been granted to youth art programs
​in Sonoma Valley.