They mean the same thing, actually. But “partly cloudy” is the correct term to be used for nighttime conditions, since you can’t see the sun.
http://mentalfloss.com/article/56820/whats-difference-between-mostly-sunny-and-partly-cloudy
May 08, 2015
They mean the same thing, actually. But “partly cloudy” is the correct term to be used for nighttime conditions, since you can’t see the sun.
http://mentalfloss.com/article/56820/whats-difference-between-mostly-sunny-and-partly-cloudy