I was expecting some colder temperatures in bad weather because: 1) we were hiking late season 2) Mt. Rainier is high altitude 3) Mt. Rainier is relatively north 4) it’s Mt. Rainier.
On the other hand, I was trying to keep my pack as light as possible because 1) my three hiking partners are really strong, world class hikers and I had to be able to relatively keep up 2) I knew their packs would be very light 3) the Wonderland Trail has a good deal of elevation change and I wanted to make going uphill as easy as possible.
With these concerns in mind, here is the gear list I put together for a late season Wonderland Trail trip.