Answer:
It doesn't live within a house, nor does it live without. Most will use it when they come in, and again when they go out.
Lovely and round, I shine with pale light, grown in the darkness, a lady's delight.
Late afternoons I often bathe. I'll soak in water piping hot. My essence goes through. My see through clothes. Used up am I - I've gone to pot.
Being able to interpret the letters on this screen proves that you have this quality.
I have four wings but cannot fly. I never laugh and never cry. On the same spot always found, toiling away with little sound.
What never gets any wetter no matter how hard it rains?