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.

Overcast

76°F

24°C

Humidity 91%
Wind Speed S 9 mph
Barometer 30.03 in (1016.7 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 13 Apr 3:53 am CDT
Extended Forecast for

Port Isabel TX

  • Today

    Today: Partly sunny, with a high near 79. Breezy, with a southeast wind 13 to 18 mph, with gusts as high as 23 mph.

    High: 79 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 74. Southeast wind around 15 mph, with gusts as high as 20 mph.

    Low: 74 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 79. Breezy, with a south southeast wind 14 to 20 mph.

    High: 79 °F

    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 73. Southeast wind around 17 mph, with gusts as high as 22 mph.

    Low: 73 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 80. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 25 mph.

    High: 80 °F

    Partly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 73. Southeast wind around 14 mph.

    Low: 73 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 79. Breezy, with a southeast wind 11 to 18 mph.

    High: 79 °F

    Partly Sunny
    then Sunny
    and Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 74. Southeast wind around 17 mph, with gusts as high as 22 mph.

    Low: 74 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 80. Breezy, with a south southeast wind 17 to 24 mph, with gusts as high as 29 mph.

    High: 80 °F

    Mostly Sunny
    and Breezy

Detailed Forecast

Today
Partly sunny, with a high near 79. Breezy, with a southeast wind 13 to 18 mph, with gusts as high as 23 mph.
Tonight
Partly cloudy, with a low around 74. Southeast wind around 15 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 79. Breezy, with a south southeast wind 14 to 20 mph.
Tuesday Night
Partly cloudy, with a low around 73. Southeast wind around 17 mph, with gusts as high as 22 mph.
Wednesday
Partly sunny, with a high near 80. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly cloudy, with a low around 73. Southeast wind around 14 mph.
Thursday
Mostly sunny, with a high near 79. Breezy, with a southeast wind 11 to 18 mph.
Thursday Night
Partly cloudy, with a low around 74. Southeast wind around 17 mph, with gusts as high as 22 mph.
Friday
Mostly sunny, with a high near 80. Breezy, with a south southeast wind 17 to 24 mph, with gusts as high as 29 mph.
Friday Night
Mostly cloudy, with a low around 74. Breezy, with a south southeast wind around 18 mph, with gusts as high as 24 mph.
Saturday
Mostly cloudy, with a high near 81. Breezy, with a south southeast wind 17 to 20 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 77. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Port Isabel TX
 26.08°N 97.21°W
Last Update:
4:45 am CDT Apr 13, 2026
Forecast Valid:
4am CDT Apr 13, 2026-6pm CDT Apr 19, 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