To celebrate the ghoulish Halloween season, some departments at the Âé¶¹Ô´´ are hosting various community events leading up to Oct. 31. For outdoor lovers, the Âé¶¹Ô´´ Arboretum on Friday will host its second-annual Spooktacular. The overnight event will feature a Trail of Horror throughout the Arboretum’s nature paths and boardwalk, an outdoor screening of the movie Sinister,…