Is it still beautiful to visit Jiuzhaigou early November? Will it be cold?

Yes, the scenery is still beautiful at the time. The leaves will turn into red.
According to the previous weather data, the temperature will be cold. And maybe you can see the snow on the top of the mountain. You can prepare overcoats, jackets and pants. But don't worry. There will be many tourists.

About the accommodation, you can go to Sims Azalea Inn. It's located at 2 Nima Street, Zhangzha Town, Jiuzhaigou Valley Scenic and Historic Interest Area. The price is around CNY 200 per night. This hotel is close to the scenic area. You can just walk to within a few minutes.

As I know, the hotel provides car rental service. You can hire a car to get to Huanglong Scenic Area. About the concrete price, you can consult the hotel when you arriving.