the sky is
Le ciel est clair et plein d'étoiles.
The sky is clear and full of stars.
Aujourd'hui, le ciel est nuageux.
Today, the sky is cloudy.
The sky is calm.
Le ciel est empli de nuages noirs.
The sky is filled with black clouds.
La mer est aux poissons ce que le ciel est aux oiseaux.
The sea is to fish what the sky is to birds.
The sky is overcast.
Le ciel est couvert aujourd'hui.
The sky is overcast today.