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

83°F

28°C

Humidity 82%
Wind Speed S 9 mph
Barometer 29.97 in (1014.8 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 6 Jul 9:53 pm CDT
Extended Forecast for

4 Miles S Port Isabel TX

  • Tonight

    Tonight: Mostly clear, with a low around 81. South southeast wind 8 to 11 mph.

    Low: 81 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88. South southeast wind 8 to 15 mph.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 81. South southeast wind 8 to 14 mph.

    Low: 81 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88. Southeast wind 8 to 16 mph.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 80. South southeast wind 9 to 14 mph.

    Low: 80 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87. South southeast wind 9 to 17 mph.

    High: 87 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 80. South southeast wind 9 to 14 mph, with gusts as high as 20 mph.

    Low: 80 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 90. South southeast wind 10 to 17 mph.

    High: 90 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 81. Southeast wind 10 to 14 mph, with gusts as high as 20 mph.

    Low: 81 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 81. South southeast wind 8 to 11 mph.
Tuesday
Sunny, with a high near 88. South southeast wind 8 to 15 mph.
Tuesday Night
Mostly clear, with a low around 81. South southeast wind 8 to 14 mph.
Wednesday
Sunny, with a high near 88. Southeast wind 8 to 16 mph.
Wednesday Night
Partly cloudy, with a low around 80. South southeast wind 9 to 14 mph.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87. South southeast wind 9 to 17 mph.
Thursday Night
Mostly cloudy, with a low around 80. South southeast wind 9 to 14 mph, with gusts as high as 20 mph.
Friday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 90. South southeast wind 10 to 17 mph.
Friday Night
Mostly cloudy, with a low around 81. Southeast wind 10 to 14 mph, with gusts as high as 20 mph.
Saturday
Partly sunny, with a high near 90. Southeast wind 11 to 16 mph, with gusts as high as 21 mph.
Saturday Night
Partly cloudy, with a low around 81. Southeast wind 9 to 13 mph.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Sunday Night
Partly cloudy, with a low around 81.
Monday
A 20 percent chance of showers and thunderstorms. 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:
10:30 pm CDT Jul 6, 2026
Forecast Valid:
10pm CDT Jul 6, 2026-6pm CDT Jul 13, 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