“可预知的”常见的英文表达是 predictable 。
例句：
The weather in this area is quite predictable during this season.（这个季节这个地区的天气相当可预知。）
His behavior is always so predictable that we can easily guess what he will do next.（他的行为总是那么可预知，以至于我们能轻易猜出他接下来会做什么 。）