YOU SAID:

when i went to go hang out with my friends it started raining, it was sad

INTO JAPANESE

友達と遊びに行った時、雨が降り出した、悲しかった

BACK INTO ENGLISH

When I went to play with my friends, it began to rain, I was sad.

INTO JAPANESE

友達と遊びに行くと雨が降り始め、悲しかった。

BACK INTO ENGLISH

When I went to play with my friends, it started to rain and I was sad.

INTO JAPANESE

友達と遊びに行くと雨が降り始め、悲しかったです。

BACK INTO ENGLISH

When I went to play with my friends, it started to rain and I was sad.