It depends on which mythology you are talking about. Every culture has their own gods.
The Roman god of the sky is Jupiter, and the Greek god of the sky is Zeus.
Jupiter is the God of the sky. Jupiter is the roman god name for Zeus.
Uranus was the sky god. His Roman name was Caelus.
The name of the Egyptian's god of war, sky, and falcons is Horus.
Uranus was known as the Father of the Sky.
The god of the sky in Greek mythology was Zeus, also known as the king of the gods and the god of lightning and thunder.
Uranus means sky. It was also the name of an ancient Greek god, the god of the sky, naturally.
Jupiter
Nut was the embodiment of the sky, but the meaning of Horus's name (he who is above) would mean that he would also have been considered a sky-god.
Janus brought him into the sky and made him a god. His god name was Quirinus.
Anu
The literal translation of the god Zeus is "sky" or "bright." The name is derived from the Greek word "dios," meaning "god" or "deity," combined with the word "zeu," meaning "sky" or "shine."