الجو حر جدا النهارده.

A natural Egyptian Arabic pronunciation is:

il-gaww ḥarr giddan in-naharda

A few notes:

• الجو = il-gaww
  
  • ج in Egyptian Arabic is usually a hard g as in go
  • و here helps make the word sound like gaww
• حر = ḥarr
  
  • the ḥ is a deeper, breathier h sound than English h
  • the r is rolled or tapped
• جدا = giddan
• النهارده = in-naharda

You may also hear slight vowel differences like el-gaww / il-gaww and en-naharda / in-naharda depending on speaker and region.

Because in Arabic, the present tense of to be is usually left out.

So instead of saying:

• The weather is very hot today

Egyptian Arabic simply says:

• الجو حر جدا النهارده

This is completely normal. Arabic often uses a pattern like:

• noun + adjective

So literally the structure is closer to:

• the weather very hot today

but it naturally means The weather is very hot today.

الجو literally means the atmosphere or the weather, and in everyday Egyptian Arabic it is the normal word for the weather in sentences like this.

So:

• الجو حر = The weather is hot
• الجو ساقعة = The weather is cold (colloquial phrasing with feminine adjective in some expressions)
• الجو جميل = The weather is nice

A learner might expect a word closer to weather as a technical term, but in everyday speech الجو is very common and natural.

In Egyptian Arabic, حر is the common colloquial form meaning hot.

In Modern Standard Arabic, you are more likely to see:

• حار

But in Egyptian speech, حر is very natural.

So:

• Egyptian: الجو حر
• MSA-like: الجو حار

Both relate to the idea of heat, but حر is what fits this dialect sentence.

جدا means very.

So:

• حر جدا = very hot

It is understood perfectly in Egyptian Arabic and is common enough, especially in careful or semi-formal speech.

However, in very everyday Egyptian speech, many speakers would more often say:

• أوي = very/really

So a very colloquial version would be:

• الجو حر أوي النهارده

Both mean essentially the same thing.
If you want to sound more casual and conversational, أوي is often the more native-like choice.

النهارده means today in Egyptian Arabic.

It is the everyday Egyptian equivalent of MSA اليوم.

So:

• Egyptian: النهارده
• MSA: اليوم

It can appear in different places in the sentence:

• الجو حر جدا النهارده
• النهارده الجو حر جدا

Both are natural. The second version puts more focus on today.

Because this is Egyptian Arabic.

One of the most noticeable features of Egyptian pronunciation is that ج is usually pronounced as a hard g, not like j in English jam.

So:

• جو sounds like gaww
• جدا sounds like giddan

This is one of the first pronunciation differences learners notice between Egyptian Arabic and some other varieties or Modern Standard Arabic.

Yes. Arabic word order is often flexible, especially in simple descriptive sentences like this.

You can say:

• الجو حر جدا النهارده
• النهارده الجو حر جدا

Both are natural.

The difference is mostly about emphasis:

• الجو حر جدا النهارده = neutral statement
• النهارده الجو حر جدا = emphasizes today

English does this too sometimes:

• The weather is very hot today
• Today, the weather is very hot

It is specifically Egyptian because of النهارده and the colloquial adjective form حر.

A more Modern Standard Arabic version would be:

• الجو حار جدًا اليوم

Compare them:

• Egyptian: الجو حر جدا النهارده
• MSA: الجو حار جدًا اليوم

So if you use the original sentence, people will recognize it as Egyptian or at least clearly colloquial.

This happens because of normal pronunciation patterns in Arabic.

In this sentence:

• الجو → usually il-gaww
• النهارده → usually in-naharda

With النهارده, the l of ال blends into the following n sound. This is because ن is a sun letter, so the l is not pronounced separately.

That is why learners hear:

• not al-naharda
• but more like in-naharda or en-naharda

This is a regular Arabic pronunciation rule, not something unique to this one word.

Yes, it is a normal and natural way.

A few very common alternatives are:

• الجو حر جدا النهارده
• الجو حر أوي النهارده
• النهارده الجو حر جدا
• الدنيا حر النهارده in some casual speech, depending on region and style

The most conversational version many Egyptians might use is:

• الجو حر أوي النهارده

But the sentence you were given is absolutely correct and useful.

Three very useful Egyptian Arabic patterns:

1. No present-tense “is”

   • الجو حر = The weather is hot

2. Egyptian vocabulary

   • النهارده = today
   • very common in speech

3. Egyptian pronunciation

   • ج = g
   • so جدا sounds like giddan

If you learn those three things from this sentence, you are already picking up important Egyptian Arabic habits rather than just memorizing a translation.