10-Day Weather Forecast for Port Isabel (TX)

Six-hourly outlook through Wednesday 16 September. Updated every three hours via MET Norway.

Day
Night
01:00
Morning
07:00
Afternoon
13:00
Evening
19:00
Monday
7 Sep
Clear skies
33°C (91°F)
0.3 mm (0.01 in)
Clear skies
30°C (86°F)
0 mm (0 in)
Hourly ›
Tuesday
8 Sep
Clear skies
28°C (82°F)
0 mm (0 in)
Partly cloudy
27°C (81°F)
0.4 mm (0.02 in)
Light rain showers
33°C (91°F)
0.6 mm (0.02 in)
Mostly clear
30°C (86°F)
0 mm (0 in)
Hourly ›
Wednesday
9 Sep
Clear skies
28°C (82°F)
0.3 mm (0.01 in)
Rain showers
27°C (81°F)
1.8 mm (0.1 in)
Light rain showers
30°C (86°F)
0.8 mm (0.03 in)
Clear skies
29°C (84°F)
0 mm (0 in)
Hourly ›
Thursday
10 Sep
Mostly clear
27°C (81°F)
0 mm (0 in)
Clear skies
26°C (79°F)
0.1 mm (0 in)
Mostly sunny
35°C (95°F)
0.2 mm (0.01 in)
Mostly clear
30°C (86°F)
0 mm (0 in)
Hourly ›
Friday
11 Sep
Clear skies
28°C (82°F)
0 mm (0 in)
Clear skies
28°C (82°F)
0 mm (0 in)
Clear skies
35°C (95°F)
0 mm (0 in)
Clear skies
31°C (88°F)
0 mm (0 in)
Hourly ›
Saturday
12 Sep
Partly cloudy
29°C (84°F)
0 mm (0 in)
Mostly sunny
27°C (81°F)
0.1 mm (0 in)
Partly cloudy
35°C (95°F)
0 mm (0 in)
Partly cloudy
31°C (88°F)
0 mm (0 in)
Hourly ›
Sunday
13 Sep
Cloudy
29°C (84°F)
0 mm (0 in)
Cloudy
28°C (82°F)
0 mm (0 in)
Mostly sunny
34°C (93°F)
0.2 mm (0.01 in)
Clear skies
30°C (86°F)
0 mm (0 in)
Hourly ›
Monday
14 Sep
Clear skies
29°C (84°F)
0 mm (0 in)
Light rain showers
27°C (81°F)
0.6 mm (0.02 in)
Rain showers
33°C (91°F)
1.1 mm (0.04 in)
Clear skies
30°C (86°F)
0 mm (0 in)
Hourly ›
Tuesday
15 Sep
Mostly clear
29°C (84°F)
0 mm (0 in)
Clear skies
27°C (81°F)
0.4 mm (0.02 in)
Rain showers
33°C (91°F)
1 mm (0.04 in)
Mostly clear
30°C (86°F)
0.4 mm (0.02 in)
Hourly ›
Wednesday
16 Sep
Rain showers
27°C (81°F)
4.7 mm (0.2 in)
Cloudy
25°C (77°F)
0.3 mm (0.01 in)
Cloudy
30°C (86°F)
0 mm (0 in)
Hourly ›
Data from MET Norway · Updated every three hours.

What's the weather in Port Isabel this week?

Today's weather - Monday 7 Sep

For the rest of Monday the predicted weather in Port Isabel is clear skies with some rain. The temperature will be around 33°C (91°F).

Tomorrow's weather - Tuesday 8 Sep

Tomorrow's weather in Port Isabel will be light rain showers during the afternoon. Temperatures will range from a warm 27°C (81°F) to a very warm 33°C (91°F).

10-Day Weather Forecast

The 10-day forecast shows that temperatures will reach 35°C (95°F) on Thursday before declining again. During this period, expect daytime highs around 33°C (91°F) and nighttime lows around 27°C (81°F). Compared to normal September conditions, this is typical. There will be plenty of sunshine throughout this time. Precipitation levels will be much less than usual (versus normal September rainfall), with mostly dry conditions. There will be rain on around 2 days (Wed, Mon).

Weather Forecast FAQ for Port Isabel

When will be the warmest day next week?

The warmest day is expected to be Thursday with a high of 35°C (95°F).

When will be the coldest day?

The coldest day is forecasted for Thursday with a low of 26°C (79°F).

Will it rain next week in Port Isabel?

Yes, rain is expected on 2 days , specifically on Wed, Mon.

How much rainfall is expected next week?

A total of 7 mm (0.3 in) of rain is forecasted for the 10-day period.

What will be the temperature range next week?

Temperatures will range from 26°C (79°F) to 35°C (95°F).

More about Port Isabel

Explore the full Port Isabel climate overview with monthly averages, or check rainfall data and temperature by month.

Port Isabel weather by month

Browse monthly averages for Port Isabel: climate by month with temperature, rainfall and sunshine.

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