V family travelling within china,macau & hkkg oct end-nov 1st wk? whats' weather for kid & sr.citz

we starting from shaoxing to hangzhou, shanghai, gangzhou, macau and into hk kong. from 26th oct to 7th nov...have a sr citizen (in a wheel chair) and a child of 5 years...is it going to be too hectic and any dos and don't to adhere for the sr citizen (male) especiallly. He is an obese man too !

Food, medical help, weather wise and want to know should i catch hk kg disney or ocean park ? just one fits into the itenerary....

appreciate ur feedback...

savvy