(SM) Related to fiction? NO, it's part of reality. (Tuj) Film? Not that I've heard of, though I know bugger all about films. According to Google there is a film of this name so the answer, strictly, is YES. (Bis) Sky involved? Could be, so YES.
(Raak) NO, not blue sky, literal or metaphoric. (Tuj) In the Bible? Almost certainly, so YES. But again, I am not fully acquainted with The Book. (RtG) Weather phenomenon? NO.