雲くもひとつない

expression, i-adjective

cloudless; without a single cloud

Describes a completely clear sky with no clouds at all. Often used in weather descriptions or poetic expressions.

• 今日きょうは雲くもひとつない青あお空ぞらだ。

  Today the sky is blue and cloudless.

• 雲くもひとつない快かい晴せいの下したでピクニックを楽たのしんだ。

  We enjoyed a picnic under a perfectly clear, cloudless sky.