YOU SAID:
It is quite bad weather outside today, but not yesterday
INTO JAPANESE
今日は外はかなり悪天候ですが、昨日はそうではありません
BACK INTO ENGLISH
It's pretty bad weather outside today, but yesterday it wasn't
INTO JAPANESE
今日は外はかなり悪天候ですが、昨日はそうではありませんでした
BACK INTO ENGLISH
It's pretty bad weather outside today, but yesterday it wasn't
Okay, I get it, you like Translation Party.