The weather is not as well as it was yesterday.为什么用well?

问题描述:

The weather is not as well as it was yesterday.为什么用well?

个人认为这里应该填good 因为:as+adj.+as
结构,而weather通常是用good修饰,而不是well修饰,并且well只有当“身体好”时才是形容词.而这个结构as+adj.+as中间的adj指的是修饰weather的形容词.顺便提一下:
as well as 是"也"的意思 .