UPDATE:

Day two of the West Seattle Summerfest, typically the most attended day is happening leading to the appearance at 9pm of The Cave Singers at the California Stage.

Original Post
With over 240 vendors, bands galore, lots of food, rides for the kids and much more the 33rd Annual Summerfest in the West Seattle Junction begins July 10 and runs through July 12.

FESTIVAL HOURS
FRIDAY: 10AM - 6PM*
SATURDAY: 10AM - 6PM*
SUNDAY: 11AM - 5PM

The event is also home to the Sustainability Expo.

TheWest Seattle Nursery and Sustainable West Seattle are the sponsors at GreenLife ~ Living in the Green Lane, a Garden and Sustainability Expo. Demonstration Stage brought to you by Alki Bike and Board.

Location – South end of festival
See link for full schedule

24 band will entertain the crowds which typically exceed 50,000 people over the weekend. All music is presented on the California Stage at the north end of the event.
See the link for the full schedule.

Clowns Unlimited brings loads of fun rides and activities for kids from toddlers to tweens. Tickets and day/weekend passes available and details here. Thank you to Wells Fargo Bank for donating your parking lot to the neighborhood and YMCA for sponsoring! Free kids art activities coordinated by West Seattle Art Nest.

Parking is available in lots around the Junction and Metro bus service will be rerouted.
During this event, Routes 22, 37, 50, 55, 57, 128, DART 773 & RapidRide C Line will be rerouted and will travel via alternate nearby streets, depending on the route, destination and direction of travel.

Visit Metro's Service Advisories page for specific reroute information. Transit reroute start and end times may be subject to change.