Improve your soil, so I wrote an article on the subject.
It is also a good time to make a compost pile ( or two) if you haven’t already… think of all those available leaves, garden refuse, grass clippings, Starbucks coffee grounds (just one more excuse to swing by and get your favorite latte)… oh, did I say that? Must be thinking of something else;) Although it is a good idea.
A good time for apple cider and trying a new apple variety.
Check out what gives good color in the garden during this time. Take a hike around the neighborhood or in the parks, visit and arboretum, there are many places to get good ideas.
Enjoy whatever bright sunny days you can before the rain and snow decides to visit in earnest.