YOU SAID:
Hello nice weather today.
INTO JAPANESE
天気の良い日を今日こんにちには。
BACK INTO ENGLISH
With good weather today in hi.
INTO JAPANESE
良い天気今日でこんにちは。
BACK INTO ENGLISH
Good weather today, hi.
INTO JAPANESE
良い天気今日、こんにちは。
BACK INTO ENGLISH
Good weather today, hi.
That didn't even make that much sense in English.