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July 21st, 2026 :: 5:42 pm CDT   

Local Weather Report for
Port Isabel
Texas, United States

 Current Port Isabel Weather Conditions Updated July 21st at 4:53 pm 
Temperature:93°F Dew Point:75°F
Barometer:29.89 inHg Wind:N 30 Mph
Humidity:56.1% Visibility:0M
 
 Port Isabel Weather Forecast Summary  
 
Today
Jul 21st
Wednesday
Jul 22nd
Thursday
Jul 23rd
Friday
Jul 24th
Saturday
Jul 25th
Mostly Sunny Mostly Sunny Mix of Cloud and Sun Mostly Sunny Mostly Sunny
82°F
82°F
81°F
82°F
81°F
83°F
82°F
82°F
82°F
 
 Port Isabel Detailed Weather Forecast  
 
Tuesday, July 21st, 2026
Evening Temperature: 82°F
A mix of clear and cloudy skies. Chance of a thunderstorm. Windy at times.
Wednesday, July 22nd, 2026
Overnight Temperature: 81°F
Clear. Chance of a thunderstorm. Windy.
Morning Temperature: 81°F
Sunny with cloudy periods. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 82°F
Mostly sunny. Chance of a thunderstorm. Windy at times.
Evening Temperature: 82°F
Mostly clear. Chance of a thunderstorm. Windy at times.
Thursday, July 23rd, 2026
Overnight Temperature: 82°F
A mix of clear and cloudy skies. Chance of a thunderstorm. Windy at times.
Morning Temperature: 82°F
A mix of cloud and sun with a slight chance of showers or thundershowers.
Afternoon Temperature: 82°F
Mostly cloudy. Chance of a thunderstorm. Windy at times.
Evening Temperature: 82°F
Mostly clear. Chance of a thunderstorm. Windy at times.
Friday, July 24th, 2026
Overnight Temperature: 82°F
Mostly clear with a slight chance of showers or thundershowers. Windy.
Morning Temperature: 82°F
Mostly sunny. Chance of a thunderstorm. Windy.
Afternoon Temperature: 82°F
Sunny. Chance of a thunderstorm. Windy.
Evening Temperature: 82°F
Clear. Chance of a thunderstorm. Windy.
Saturday, July 25th, 2026
Overnight Temperature: 82°F
Clear. Chance of a thunderstorm. Windy.
Morning Temperature: 82°F
Sunny. Chance of a thunderstorm. Windy.
Afternoon Temperature: 82°F
Mostly sunny. Chance of a thunderstorm. Windy at times.
Evening Temperature: 82°F
Clear. Chance of a thunderstorm. Windy.
Sunday, July 26th, 2026
Overnight Temperature: 82°F
Clear. Chance of a thunderstorm. Windy.
Morning Temperature: 82°F
Sunny. Chance of a thunderstorm. Windy.
Afternoon Temperature: 82°F
Sunny. Chance of a thunderstorm. Windy at times.
Evening Temperature: 82°F
Clear. Chance of a thunderstorm. Windy.
Monday, July 27th, 2026
Overnight Temperature: 82°F
Clear. Chance of a thunderstorm. Windy.
Morning Temperature: 82°F
Sunny. Chance of a thunderstorm. Windy.
Afternoon Temperature: 82°F
Sunny. Chance of a thunderstorm. Windy.
Evening Temperature: 82°F
Clear. Chance of a thunderstorm. Windy.
Tuesday, July 28th, 2026
Overnight Temperature: 82°F
Clear. Chance of a thunderstorm. Windy.
Morning Temperature: 82°F
Sunny. Chance of a thunderstorm. Windy.
Afternoon Temperature: 82°F
Sunny. Chance of a thunderstorm. Windy.
Evening Temperature: 83°F
Clear. Chance of a thunderstorm. Windy.
Wednesday, July 29th, 2026
Overnight Temperature: 82°F
Clear. Chance of a thunderstorm. Windy.
Morning Temperature: 82°F
Sunny. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 82°F
Sunny. Chance of a thunderstorm. Windy at times.
Evening Temperature: 83°F
Clear. Chance of a thunderstorm. Windy at times.





 

  [ Local Weather Report ]
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4:53 PM  99°F
 
 
Harlingen, TX 
4:52 PM  100°F
 
 
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4:45 PM  99°F
Overcast
 
Weslaco, TX 
4:55 PM  100°F
 
 
Donna, TX 
4:55 PM  100°F
 
 
Alamo, TX 
 
Pharr, TX 
4:53 PM  106°F
 

 
This WeatherCity Weather Forecast for Port Isabel, Texas, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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