I think you can still incubate them, but it should be a simple matter to ask to pick up the following morning's eggs before they have been put in the refrigerator.
I hope your incubation experiment works well.
I was frying eggs this evening for the kids and I. I had picked them up at a dairy that sells unprocessed milk and they had eggs for sale as well. The chickens were running around the yard and looked to be enjoying themselves. Anyhow, as I...