《It Will Rain》的歌詞如下：
男聲版：
It will rain, it will rain
It will rain on me
Yeah, yeah, yeah
女聲版：
Yeah, yeah, yeah
I was raised up in the sun
Now I'm drowning in the rain
Yeah, yeah, yeah
男聲版：
Oh, oh, oh
Oh, oh, oh
Yeah, yeah, yeah
女聲版：
It will rain, it will rain
Oh, oh, oh
Yeah, yeah, yeah
男聲版：
I'm feeling like a child again
But I'm crying like a man
Yeah, yeah, yeah
女聲版：
Oh, oh, oh
Oh, oh, oh
Yeah, yeah, yeah
男聲版和女聲版部分歌詞重複，最後以“Yeah, yeah, yeah”結束。
這首歌的歌詞表達了對愛情逝去的傷感和無奈，同時也在告訴人們要珍惜眼前人，不要等到失去後才後悔。