The song comes from the old adage "Red sky at night, sailor’s delight. Red sky in morning, sailor take warning” which was supposed to predict the weather. They either heard it backwards or intentionally reversed it because they thought "red skies at night" sounded better as a lyric.
The song comes from the old adage "Red sky at night, sailor’s delight. Red sky in morning, sailor take warning” which was supposed to predict the weather. They either heard it backwards or intentionally reversed it because they thought "red skies at night" sounded better as a lyric.