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

92°F

33°C

Humidity 56%
Wind Speed S 16 G 29 mph
Barometer 29.88 in (1011.9 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index102°F (39°C)
Last update 17 Jun 3:53 pm CDT
Extended Forecast for

Port Isabel TX

  • This Afternoon

    This Afternoon: Sunny, with a high near 88. Breezy, with a south southeast wind around 18 mph.

    High: 88 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 81. South southeast wind around 15 mph, with gusts as high as 20 mph.

    Low: 81 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88. Breezy, with a south southeast wind 15 to 20 mph.

    High: 88 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 80. Southeast wind 11 to 15 mph, with gusts as high as 21 mph.

    Low: 80 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 87. East southeast wind 10 to 16 mph. Chance of precipitation is 60%.

    High: 87 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 80. East southeast wind 10 to 14 mph. Chance of precipitation is 40%.

    Low: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday

    Friday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 85. East southeast wind 10 to 14 mph. Chance of precipitation is 70%.

    High: 85 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 78. Southeast wind 10 to 13 mph.

    Low: 78 °F

    Chance
    Showers

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. Southeast wind 10 to 16 mph.

    High: 86 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 88. Breezy, with a south southeast wind around 18 mph.
Tonight
Mostly clear, with a low around 81. South southeast wind around 15 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 88. Breezy, with a south southeast wind 15 to 20 mph.
Wednesday Night
Partly cloudy, with a low around 80. Southeast wind 11 to 15 mph, with gusts as high as 21 mph.
Juneteenth
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 87. East southeast wind 10 to 16 mph. Chance of precipitation is 60%.
Thursday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 80. East southeast wind 10 to 14 mph. Chance of precipitation is 40%.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 85. East southeast wind 10 to 14 mph. Chance of precipitation is 70%.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 78. Southeast wind 10 to 13 mph.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. Southeast wind 10 to 16 mph.
Saturday Night
A chance of showers, with thunderstorms also possible after 1am. Partly cloudy, with a low around 79. Southeast wind 11 to 14 mph. Chance of precipitation is 30%.
Sunday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. Southeast wind 10 to 16 mph.
Sunday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 79.
Monday
Showers and thunderstorms likely. Mostly sunny, with a high near 86. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Port Isabel TX
 26.08°N 97.21°W
Last Update:
4:00 pm CDT Jun 17, 2025
Forecast Valid:
4pm CDT Jun 17, 2025-6pm CDT Jun 23, 2025
 
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Additional Resources

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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