+1 for Bob's post. I did the CT last year starting in July and it was a higher snow year than this year as you know. You should expect to need substantial sun and rain protection every day.
I carried the following;
L/S Capilene 2 top and long bottoms
Montbell stretch wind pants
Montane Minimus rain jacket
Montbell Thermawrap vest
S/S lightweight cool max running top
lightweight knit sleep beanie
Merrel Belay shorts
L/S Columbia PFG hiking shirt that also provided sun, wind and light rain protection
Patagonia wide brimmed sun hat
Biggest item I regretted not having: Gloves! You will have a few snow and hail storms.
If I did it again, I would leave the Thermawrap vest and Capilene 2 bottoms behind. I never used the vest, and could sleep in my wind pants (cleaned and dried) at night when I needed more warmth than my running shorts provided. I used my Katabatic Gear Palisade 30F quilt and was plenty warm most of the time. I only supplemented my sleeping shorts with the capilene bottoms or wind pants a handful of times, and I do sleep cold. Also, since I would drop an insulation layer (vest), I would probably take a Cap 3 L/S top. So, with that and the short sleeve running top, the long sleeve hiking shirt and the rain jacket, that would be plenty of warmth when needed.
All that aside, you will need at least a rain jacket just about evey day, and many times rain protection for the bottom as well. So your driducks set up worries me a bit only because they can be a bit delicate and I don't think they're very breathable to hike in for an extended period. You won't be "bush whacking" by any means, but you may need to be prepared to fix holes or tears in them if you intend to use them, again, because you'll be using them a lot and I'm also not sure how much warmth they provide when needed. I have a driducks top, but I only use it when I expect light or intermittent rain without significant temperature loss.
So, if you invest in anything, it might better rain protection. But, if that is a no-go, then based on your options, I would recommend leaving the Cap 2 bottoms, R2 fleece and running jacket home, taking the Merino L/S shirt and the nano puff vest and perhaps using a L/S hiking shirt versus the short sleeve to help with sun, wind and light rain protection.
Hope this helps!