Current conditions at

Port Isabel, Port Isabel-Cameron County Airport (KPIL)

Lat: 26.16°NLon: 97.34°WElev: 16ft.

Fair

84°F

29°C

Humidity 80%
Wind Speed S 10 mph
Barometer 29.94 in (1013.8 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 11 Sep 12:53 am CDT
Extended Forecast for

4 Miles SSW Port Isabel TX

Heat Advisory September 11, 12:00pm until September 11, 07:00pm
Click here for hazard details and duration
Heat Advisory
  • Overnight

    Overnight: Partly cloudy, with a low around 82. South wind around 15 mph.

    Low: 82 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 91. Heat index values as high as 106. Breezy, with a south wind 14 to 23 mph.

    High: 91 °F

    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 82. Breezy, with a south southeast wind 14 to 21 mph.

    Low: 82 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Saturday

    Saturday: Sunny, with a high near 92. Heat index values as high as 107. Breezy, with a south southeast wind 15 to 22 mph.

    High: 92 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 82. Breezy, with a southeast wind 11 to 18 mph.

    Low: 82 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms before 1pm.  Sunny, with a high near 90. Breezy, with a southeast wind 11 to 18 mph.

    High: 90 °F

    Slight Chance
    T-storms and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 82. Southeast wind 10 to 16 mph.

    Low: 82 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 90. Breezy, with a southeast wind 10 to 18 mph.

    High: 90 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 82. Breezy, with a southeast wind 11 to 18 mph.

    Low: 82 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 82. South wind around 15 mph.
Friday
Sunny, with a high near 91. Heat index values as high as 106. Breezy, with a south wind 14 to 23 mph.
Friday Night
Mostly clear, with a low around 82. Breezy, with a south southeast wind 14 to 21 mph.
Saturday
Sunny, with a high near 92. Heat index values as high as 107. Breezy, with a south southeast wind 15 to 22 mph.
Saturday Night
Mostly clear, with a low around 82. Breezy, with a southeast wind 11 to 18 mph.
Sunday
A 20 percent chance of showers and thunderstorms before 1pm. Sunny, with a high near 90. Breezy, with a southeast wind 11 to 18 mph.
Sunday Night
Mostly clear, with a low around 82. Southeast wind 10 to 16 mph.
Monday
Sunny, with a high near 90. Breezy, with a southeast wind 10 to 18 mph.
Monday Night
Mostly clear, with a low around 82. Breezy, with a southeast wind 11 to 18 mph.
Tuesday
Sunny, with a high near 90. Southeast wind 11 to 17 mph.
Tuesday Night
Mostly clear, with a low around 81. Southeast wind 6 to 16 mph.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 81.
Thursday
Showers and thunderstorms likely. Mostly sunny, with a high near 88. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Port Isabel TX
 26.01°N 97.24°W
12:45 am CDT Sep 11, 2026
12am CDT Sep 11, 2026-6pm CDT Sep 17, 2026
 
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