also: あめもよい
noun
threat of rain; looks like rain
Describes weather that looks like it might rain soon; often used in phrases like 雨もよいの空.
朝から雨もよいの空で、傘を持って出かけた。
The sky looked like rain from the morning, so I went out with an umbrella.
雨もよいの日が続いている。
Days with the threat of rain continue.
Kanji spelling using 催い; less common and may be considered dated or literary.
雨模様 also means 'looks like rain' or 'rainy weather', but is more common and can refer to actual rainy conditions, while 雨もよい emphasizes the imminent threat of rain.
Compound of 雨 (rain) and もよい, a suffix derived from 催い (sign, indication), meaning 'showing signs of rain'.