MoapaPk wrote:Highly variable in October. I've seen beautiful days with lots of brightly colored trees down below... and then I was lost in a snowstorm and whiteout on Algonquin on October 17, 1970.

MoapaPK couldn't be more right. The guys that I hike had both of what is described above. As they climbed Algonquin cool, crisp day. When they hit the summit and desceded towards Boundary Peak...totaly whiteout. They ended up turning back.