I'm hoping that my pumpkins ripen before it gets too cold. It's already getting cold at night so hopefully they will. I have a large pumpkin out there and it's still completely green.
One year, I cut a completely green pumpkin about the day before first frost and set it in the garage. I forget the exact date but it was about 3 weeks and by Halloween, it had changed to orange.
I checked Redding CA, although I don't think that is quite where you are, @akroberts. The Weather Service has the mean date for a first frost since 2000 as 20 November.