Celebrate America’s independence with friends and family at SummerFest, Gaithersburg’s illuminating summer festival on the expansive grounds of Bohrer Park at Summit Hall Farm. This free event takes place on Saturday, June 28, 2025, from 6 to 11 p.m. Enjoy live music, food trucks, local breweries, and family-friendly activities—culminating in a spectacular fireworks display and SummerGlo After Party.