National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

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

Lat: 26.16°NLon: 97.34°WElev: 16ft.

Fair

76°F

24°C

Humidity 88%
Wind Speed Calm
Barometer 30.02 in (1016.6 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 9 Jul 6:53 am CDT
Extended Forecast for

4 Miles S Port Isabel TX

  • Today

    Today: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 86. Southeast wind 5 to 15 mph. Chance of precipitation is 30%.

    High: 86 °F

    Partly Sunny
    then Chance
    Showers

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 80. Southeast wind 8 to 13 mph.

    Low: 80 °F

    Partly Cloudy
    then Chance
    T-storms

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms, mainly between noon and 1pm. Mostly sunny, with a high near 87. Southeast wind 9 to 16 mph.

    High: 87 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: Increasing clouds, with a low around 81. Southeast wind 9 to 14 mph.

    Low: 81 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 88. Southeast wind 10 to 16 mph.

    High: 88 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 81. South southeast wind 8 to 14 mph.

    Low: 81 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 88. Southeast wind 8 to 15 mph.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 81. Southeast wind 8 to 13 mph.

    Low: 81 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 90. South southeast wind 7 to 14 mph.

    High: 90 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 86. Southeast wind 5 to 15 mph. Chance of precipitation is 30%.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 80. Southeast wind 8 to 13 mph.
Friday
A 40 percent chance of showers and thunderstorms, mainly between noon and 1pm. Mostly sunny, with a high near 87. Southeast wind 9 to 16 mph.
Friday Night
Increasing clouds, with a low around 81. Southeast wind 9 to 14 mph.
Saturday
Mostly sunny, with a high near 88. Southeast wind 10 to 16 mph.
Saturday Night
Partly cloudy, with a low around 81. South southeast wind 8 to 14 mph.
Sunday
Sunny, with a high near 88. Southeast wind 8 to 15 mph.
Sunday Night
Mostly clear, with a low around 81. Southeast wind 8 to 13 mph.
Monday
Mostly sunny, with a high near 90. South southeast wind 7 to 14 mph.
Monday Night
Partly cloudy, with a low around 80. Southeast wind 6 to 13 mph.
Tuesday
Mostly sunny, with a high near 90. Southeast wind 6 to 14 mph.
Tuesday Night
Partly cloudy, with a low around 80.
Wednesday
Mostly sunny, with a high near 90.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Port Isabel TX
 26.01°N 97.21°W
Last Update:
7:00 am CDT Jul 9, 2026
Forecast Valid:
7am CDT Jul 9, 2026-6pm CDT Jul 15, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation