One's fortune or luck at a given time; often used in horoscopes and fortune-telling contexts.
朝のテレビで今日の運勢をチェックした。
I checked today's fortune on the morning TV show.
最近彼の運勢が上向いているようだ。
Lately his luck seems to be improving.
占い師に来年の運勢を見てもらった。
I had a fortune-teller look at my luck for next year.