Happening Next

Rockville Halloween Events

Halloween events Happening Next in Rockville, MD

Halloween Outdoor Movie Night

 The Milton at Twinbrook Quarter 9 Oct 2026
FITNESS FREE

Annual Trick-or-Treat and Costume Contest

 Wintergreen Plaza 24 Oct 2026
CONTESTS

The Wretched Winter

 Rock Creek Regional Park – Lake Needwood 13 Dec 2026