Creepy, eerie, haunting, scary. This is established by such word choices as –“a pestilent, mystic vapor”–, "Tangled fungus covering the walls".
Pleasant, happy. This is established by word choices such as "warm sunny day" and "flowers in the garden".
Rainy, cold. This is established by word choices such as "puddles standing on the path" and "heavy wet clouds".
The house fell down
Rodderick collapsed from fear
All of these
Madeline appeared in the doorway