¿cómo se dice "it is hot." en español?

If you are talking about the weather, "It is hot" in espanol is "hace calor"

And if you are talking about the temperature, "It is hot" in espanol is "está caliente"

Hope this helps!

Agame in which two or four players strike a ball with rackets over a net stretched across a court. the usual form (originally called  lawn tennis  ) is played with a felt-covered hollow rubber ball on a grass, clay, or artificial surface.

Do it in english then have someone translate it