As summer draws to a close in Louisville, so do summer events like Waterfront Wednesday.(Check out everyone who played this year in the player above)Everyone's last chance to attend the monthly free concert will be this Wednesday — Sept. 28.The event will feature live music with Yonder Mountain String Band, Hot Brown Smackdown and Houseplant. The first band hits the stage at 6 p.m.Those who go might want to include some layers as it will be bit chilly with temperatures dipping into the 50s after the sun sets -- which is at 7:30 p.m.Watch the forecast belowIf you haven't been before, it is at the Big Four Lawn at Waterfront Park, located next to the Big Four Pedestrian Bridge.Food and drink vendors will be on hand if you need a bite or beverage.A parking map for the Waterfront is available here.Parkside Bikes also has bike parking on-site.Also, the Republic Bank Easy Ride Trolley De Ville will offer free trolley service located at the parking lot across from the Great Lawn and the Bats Stadium and will operate from 6 p.m. to 10 p.m.This was the 20th year for the WFPK-sponsored Waterfront Wednesday.