What weather songs are there?

Rain, heartless rain, heartless you, and so on.

According to Netease Cloud Music, Rain was composed by Liang Guang, written by Jiang Yixuan and sung by Liang Guang. The song says "It's raining outside the window, and it won't stop", describing the rainy weather.

"Ruthless Rain, Ruthless You" was composed by Dong Rongjun and sung by Chyi Chin. The song wrote "relentless rain, wake me up gently" and described the rainy weather.