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

79°F

26°C

Humidity 72%
Wind Speed E 14 mph
Barometer 30.21 in (1022.9 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 24 Dec 12:53 pm CST
Extended Forecast for

Port Isabel TX

  • This Afternoon

    This Afternoon: Sunny, with a high near 76. East southeast wind around 10 mph.

    High: 76 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 70. East southeast wind 5 to 8 mph.

    Low: 70 °F

    Mostly Clear

  • Christmas Day

    Christmas Day: Mostly sunny, with a high near 77. East wind 5 to 10 mph.

    High: 77 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 69. South southeast wind 6 to 9 mph.

    Low: 69 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 77. South southeast wind 6 to 11 mph.

    High: 77 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 70. South southeast wind around 10 mph.

    Low: 70 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 77. South southeast wind 9 to 15 mph, with gusts as high as 20 mph.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 70. South southeast wind 11 to 14 mph, with gusts as high as 20 mph.

    Low: 70 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 78. South southeast wind 11 to 15 mph, with gusts as high as 20 mph.

    High: 78 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 76. East southeast wind around 10 mph.
Tonight
Mostly clear, with a low around 70. East southeast wind 5 to 8 mph.
Christmas Day
Mostly sunny, with a high near 77. East wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 69. South southeast wind 6 to 9 mph.
Friday
Mostly sunny, with a high near 77. South southeast wind 6 to 11 mph.
Friday Night
Mostly clear, with a low around 70. South southeast wind around 10 mph.
Saturday
Sunny, with a high near 77. South southeast wind 9 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 70. South southeast wind 11 to 14 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 78. South southeast wind 11 to 15 mph, with gusts as high as 20 mph.
Sunday Night
A 40 percent chance of showers after midnight. Partly cloudy, with a low around 62. Southeast wind 7 to 17 mph becoming northeast after midnight. Winds could gust as high as 24 mph.
Monday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 70. Windy, with a north wind 22 to 29 mph, with gusts as high as 40 mph. Chance of precipitation is 60%.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 52. Windy.
Tuesday
Partly sunny, with a high near 58. Breezy.
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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:
1:47 pm CST Dec 24, 2025
Forecast Valid:
1pm CST Dec 24, 2025-6pm CST Dec 30, 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