曇天 （ドンテン） cloudy sky, overcast sky, cloudy weather

晴曇 （セイドン） fine weather and cloudy

曇る （くもる） to get cloudy, to cloud over, to become overcast, to cloud up, to fog up, to mist up, to become dim, to be gloomy, to be clouded (expression), to be downcast, to look slightly downward (of a noh mask; indicating sadness, grief, etc.)