New to trees

Hello, im new here but do quite a bit of gardening and have dabbled my share into some mushroom farming. Well for father's day my brother and I decided to indulge in some cherry trees. We went with 2 sweet cherries; a bing, and a royal rainer. And three sour cherries trees; Montgomery something or other. I have taken them out of their card board and have placed them into pots temporarily until their beds can be better prepped.

My question is this, I've got them in 16 inch pots. Can I over winter them in these? Ive got a stone sun room that doesn't go below about 30f in the dead of winter. Each tree is between 3-5ft tall. It's currently summer. In kansas.

I want to over winter inside simply due to needing to clear some trees on the property for more optimal sunlight. About 7 trees in total.

Thanks