Any workout is a good one - inside or out.
It's getting much cooler here.
Yesterday was very windy.
Every morning, around 0615 - regardless of weather - I'm out walking the dog.
Some days it's a fairly short walk (say, 12 - 15 minutes); other times she wants a good, long one.
Yesterday noon she really wanted a long one, and, since I had taken the day off work; I indulged her. It was still very windy - but I was thankful we did it then, because later in the day; it poured.