Avui porto una jaqueta perquè fa fred.

In Catalan, portar can mean both to carry and to wear, depending on context.

So in:

Avui porto una jaqueta

it means Today I’m wearing a jacket, not I’m carrying a jacket.

This is very normal in Catalan for clothes and accessories:

• Porto ulleres = I wear / I’m wearing glasses
• Porta un barret = He/She is wearing a hat

Context usually makes the meaning clear.

Catalan often leaves out subject pronouns because the verb ending already shows who the subject is.

• porto = I wear / I’m wearing
• portes = you wear / you’re wearing
• porta = he/she wears / is wearing

So jo is not necessary here. You could say Jo porto una jaqueta, but that usually adds emphasis, contrast, or clarity.

For example:

• Jo porto una jaqueta, però ell no.
  I’m wearing a jacket, but he isn’t.

Catalan often uses the simple present where English uses either the simple present or the present continuous.

So:

• Porto una jaqueta can mean I wear a jacket or, more naturally in this context, I’m wearing a jacket
• Fa fred means It is cold

If you want to stress an action in progress, Catalan can use estar + gerund, but it is less automatic than in English:

• Estic portant una jaqueta is not the natural choice here

For clothing, porto una jaqueta is the normal way to say I’m wearing a jacket.

Because jaqueta is a singular countable noun, Catalan normally uses an article with it.

• una jaqueta = a jacket

Leaving out the article would usually sound incomplete or unnatural in this sentence.

Compare:

• Porto una jaqueta = I’m wearing a jacket
• Porto jaquetes cares = I wear expensive jackets
  Here there is no article because the noun is plural and indefinite in a more general sense.

Perquè with an accent means because.

So:

• Porto una jaqueta perquè fa fred = I’m wearing a jacket because it’s cold

This is easy to confuse with similar forms:

• perquè = because
• per què = why / for what reason
• el perquè = the reason

Examples:

• Per què portes una jaqueta? = Why are you wearing a jacket?
• Porto una jaqueta perquè fa fred. = I’m wearing a jacket because it’s cold.

Fa fred is the standard Catalan expression for talking about cold weather or a cold environment. Literally, it looks like it makes cold, but you should learn it as a fixed expression meaning it’s cold.

Weather and temperature are often expressed with fer in Catalan:

• Fa calor = It’s hot
• Fa fred = It’s cold
• Fa vent = It’s windy
• Fa sol = It’s sunny

By contrast:

• És fred usually describes something as being cold in a more general or defining sense
• Està fred often means something is cold at the moment, like food or an object

For weather, fa fred is the natural choice.

Avui means today. It sets the time frame for the sentence.

So:

• Avui porto una jaqueta = Today I’m wearing a jacket

It tells us this is true today, maybe unlike other days.

Catalan often places time expressions near the beginning of the sentence, but the position can vary:

• Avui porto una jaqueta perquè fa fred.
• Porto una jaqueta avui perquè fa fred.

The first version is more neutral and natural.

The sentence is fairly flexible, though some orders sound more natural than others.

The original:

• Avui porto una jaqueta perquè fa fred.

You could also say:

• Perquè fa fred, avui porto una jaqueta.
• Porto una jaqueta avui perquè fa fred.

But the original order is very natural because it goes:

1. time: Avui
2. main action: porto una jaqueta
3. reason: perquè fa fred

That structure is common and easy to follow.

Usually yes, jaqueta is the normal translation of jacket. But, as in English, the exact kind of clothing can depend on context.

Related words include:

• abric = coat
• dessuadora = sweatshirt / hoodie
• americana = blazer / suit jacket

So jaqueta is a general everyday word for a jacket.

Yes, and it changes the meaning slightly.

• perquè fa fred = because it’s cold
• perquè tinc fred = because I’m cold

So:

• Avui porto una jaqueta perquè fa fred. focuses on the weather or temperature
• Avui porto una jaqueta perquè tinc fred. focuses on how you feel

Both are correct; they just emphasize different things.

Yes. The accent shows where the stress falls.

Perquè is stressed on the last syllable:

• per-QUÈ

That final è is an open e sound.

The accent is important in writing because it distinguishes perquè (because) from other similar forms such as per què (why).

Yes, this is a completely natural everyday sentence.

It sounds normal, clear, and idiomatic:

• Avui = sets the time
• porto una jaqueta = natural way to say I’m wearing a jacket
• perquè fa fred = natural way to give the reason

A native speaker would easily use or understand this sentence in daily life.