Non vedo nessuna nuvola nel cielo.

In Italian, this is normal. Non goes before the verb, and words like nessuno/nessuna can reinforce the negative idea.

So:

• Non vedo nessuna nuvola = I don’t see any cloud
• Literally, it looks like I don’t see no cloud, but in Italian that is correct grammar, not bad grammar.

This is called negative concord: multiple negative elements work together to express just one negation.

Nessuna means no, not any, or not a single, depending on context.

In this sentence:

• nessuna nuvola = no cloud / not a single cloud / any cloud

It agrees with the noun it describes:

• nessun libro = no book
• nessuna casa = no house
• nessuno studente = no student

So here it is nessuna because nuvola is feminine singular.

Italian often uses nessuno/nessuna + singular noun where English might use a plural.

So:

• nessuna nuvola literally = not a single cloud
• Natural English translation = no clouds or I don’t see any clouds

Using the singular after nessuno/nessuna is very common and standard.

Vedo is the first person singular present tense of vedere (to see).

Conjugation of vedere in the present:

• io vedo = I see
• tu vedi = you see
• lui/lei vede = he/she sees
• noi vediamo = we see
• voi vedete = you all see
• loro vedono = they see

So Non vedo means I do not see.

Italian often leaves out subject pronouns when they are already clear from the verb form.

• (Io) vedo = I see
• (Tu) vedi = you see

Because vedo already tells you the subject is I, io is optional.

You could say:

• Io non vedo nessuna nuvola nel cielo

but it usually sounds more natural without io unless you want emphasis, contrast, or clarity.

Nel means in the.

It is a contraction of:

• in + il = nel

Other similar combinations are:

• in + lo = nello
• in + la = nella
• in + i = nei
• in + gli = negli
• in + le = nelle

So:

• nel cielo = in the sky

Both can exist, but they are not always identical in feel.

• nel cielo = in the sky, referring to the sky as a visible, definite space
• in cielo can also mean in heaven, or sometimes just in the sky, depending on context

In this sentence, nel cielo clearly means the physical sky above you. It sounds very natural when talking about what you can see.

Yes. That is also correct, but it is slightly different in nuance.

• Non vedo nuvole nel cielo = I don’t see clouds in the sky
• Non vedo nessuna nuvola nel cielo = I don’t see any cloud / I don’t see a single cloud in the sky

The version with nessuna is a bit stronger and more explicit.

Nuvola is singular.

Even though English often says I don’t see any clouds, Italian commonly uses:

• nessuna + singular noun

So the structure is:

• nessuna nuvola = no cloud / not a single cloud

The plural of nuvola is nuvole, but after nessuna, the singular is the normal choice.

A simple pronunciation guide is:

• Non vedo nessuna nuvola nel cielo
• roughly: non VEH-doh nes-SOO-nah NWO-voh-lah nel CHYEH-loh

A few helpful points:

• ss in nessuna is pronounced as a strong double consonant
• nu in nuvola sounds like nwoo
• cie in cielo sounds like chye

If you want to sound more natural, keep the rhythm smooth:

• non VÉ-do nes-SÚ-na NU-vo-la nel CIÉ-lo

Yes, but the structure changes.

If the negative word comes after the verb, you normally keep non:

• Non vedo nessuna nuvola

If the negative word comes before the verb, non is usually omitted:

• Nessuna nuvola si vede nel cielo
• Nessuna nuvola è visibile nel cielo

So in your sentence, since nessuna comes after vedo, non is required.

Sometimes, yes:

• Non vedo alcuna nuvola nel cielo

This is correct and means almost the same thing. However:

• nessuna is more common in everyday speech
• alcuna often sounds a bit more formal or literary

So for most learners, nessuna is the more useful everyday choice.