YOU SAID:
today is a fine sunny day
INTO JAPANESE
今日は天気のいい日です。
BACK INTO ENGLISH
It is a sunny day today.
INTO JAPANESE
今日晴れた日です。
BACK INTO ENGLISH
It is sunny today.
INTO JAPANESE
今日は晴れだ。
BACK INTO ENGLISH
It is sunny today.
Come on, you can do better than that.