This is the 5811th most frequent Japanese word.
はれ
Clear weather; sunny.
Here, 'はれ' is used as a noun meaning 'clear weather' or 'sunny skies'.
今日ははれですね。
Today is clear weather, isn't it?
In this sentence, 'はれた' is a conjugated form of 'はれる,' used as an adjective meaning 'clear' or 'unclouded.'
木の葉が落ちて、秋のはれた空が広がっています。
The leaves have fallen, and the clear autumn sky is sprawling.
Here, '晴れる' is used as a verb meaning 'to clear up' or 'to become sunny' in reference to the weather.