August is summer refusing to slow down. County fairs are filling midway lights, porches are turning into stages, corgis are racing at Saratoga, lumberjacks are climbing greased poles and a festival devoted to Lake Champlain’s legendary monster is taking over the waterfront. This month’s guide reaches from Westchester and the Hudson Valley through the Catskills, Capital Region, Adirondacks and Finger Lakes. You will find major concerts, outdoor theater, food festivals, cultur