请编辑以下段落，调整其语法和句子结构，使其更加流畅和易于阅读。
The blue sky and clouds floated distinctly in the air, and the sun was shining brightly. John walked across the street, he glanced at his watch, and then he continued walking while sipping his coffee.
The bright sun shone down on the blue sky with distinct white clouds floating in the air. John checked his watch as he crossed the street, sipping his coffee and continuing on his way.