I've been in a good mood since this morning.
You can tell right away when he's in a bad mood.
Used in set expressions asking about someone's condition or situation, such as ご機嫌いかがですか (How are you?). Less common in casual modern speech outside of polite inquiries.
How are you doing?
How is your mother doing?
in a good mood; cheerful; happy
Adjectival use, almost always with the honorific prefix ご as ご機嫌. Describes a visibly cheerful, merry state. Cross-referenced with ご機嫌 sense 3.
See also: ご機嫌 (ごきげん)
She is very cheerful today.
He's humming a tune, looking quite merry.
If you upset your boss's mood, work becomes harder to get done.
I spoke to her carefully, trying to gauge my mother's mood.
Plans often change depending on his mood.
機嫌 is the standard word for someone's mood or temper, while お天気 in this sense is a playful, colloquial term mainly used in expressions like お天気屋.
機嫌 refers to one's mood or temper (e.g. 機嫌がいい), and shares the kanji 嫌 with 嫌悪 but has no relation to feelings of disgust.
mood; temper; humor · well-being; health; safety · in a good mood; cheerful; happy
mood when drinking; tipsy mood
tipsy; a little drunk; slightly intoxicated
feigning good feeling; putting on a cheerful front
tipsy from New Year's sake; merry with New Year's spiced sake
merry drinker; person who gets cheerful when drinking
courtesy call; courtesy visit
currying favor; trying to please someone · bootlicker; sycophant
mood; temper; spirits
Irregular kanji usage; included for search coverage but not recommended for writing.