You'll need to add awnings to those.
I put some very basic and rednecked awnings on my Outdoor Brooder:
This person made better-looking awnings on this coop: https://www.backyardchickens.com/threads/check-out-my-chicken-tractor.1456418/page-2#post-24496139
You can also use top-hinged...
A good point that I missed.
I was thinking about coop size for ventilation but an 8x8 run is too small for 10 hens. They need 100 square feet as a minimum and 8x8 is only 64 square feet.
Plastic sheds are notoriously difficult to adequately vent -- 1 square foot per adult, standard-sized hen. Since your shed is 7x7, that's 49 square feet, suitable for up to 12 hens, you need to be putting in 12 square feet of ventilation. The goal is to have the temperature and humidity the same...