YOU SAID:

Can't you see that it's just raining, there ain't no need to go outside

INTO JAPANESE

雨が降っているだけで、外に出る必要はない

BACK INTO ENGLISH

It's raining, you don't have to go outside

INTO JAPANESE

雨が降っています、外に出る必要はありません

BACK INTO ENGLISH

It's raining, you don't have to go outside