Not exactly. While Apollo is associated with the sky, he's not specifically the god of the sky. Here's a breakdown:

* Apollo is primarily associated with:

* Sun: He's often depicted driving the sun chariot across the sky.

* Light: He brings light and warmth to the world.

* Music and Poetry: He's the patron of music, arts, and prophecy.

* Healing: He's also associated with healing and medicine.

* Zeus is considered the god of the sky in Greek mythology. He's the king of the gods and controls the weather.

So, Apollo is more specifically the god of the sun and his presence in the sky is a consequence of his role as the sun god.