The hotel is next to Hung Hom station:
To Disneyland: Take bus A21 to Lantau Link Toll Plaza and turn to Bus R8 there to Disneyland.
To Ocean Park:
Get to the Cross Harbour Tunnel Toll Plaza outside Hung Hom Station to take bus 107 and get off after passing the second tunnel- Aberdeen Tunnel. Then walk ten minutes to the main entrace of Ocean Park
To the Peak: At the same bus terminus outside HUng Hom Station to choose the bus to Central. There are several choices. After getting to Central, walk a few minutes to the Peak Tram or take Bus 15C to the peak if you don't want to walk.
it is still quite warm in HKG in October, about 24-27C.