Is skies plural or possessive

Answer 1

The noun skies is the plural form of the noun sky.

The possessive forms are:

• sky's (singular possessive)
• skies' (plural possessive)

Answer 2

"Skies" is the plural form of "sky," used to refer to more than one sky. To indicate possession, you would add an apostrophe after the "s" in "skies," like "skies'."