1An overcast or cloudy sky; cloudy weather. Often conveys a dreary or heavy sky and is used in both everyday and literary contexts.
曇天の下での写真は色がくすんでしまった。
Photos taken under an overcast sky turned out dull in color.
遠足の日は曇天で、途中で少し雨が降った。
On the day of the excursion it was overcast and it rained a little along the way.