For the weather was fine,a large number of people went there to enjoy the holiday
for 表示原因,这样前后因果关系就出来了,英语和中文不一样,中文可以没有因为所以,通过上下文出来逻辑关系,但是英文不行,没有逻辑关系词的话,整个句子doesn't make sense