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

68°F

20°C

Humidity 87%
Wind Speed S 7 mph
Barometer 30.01 in (1016.2 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 1 Jan 8:53 pm CST
Extended Forecast for

Port Isabel TX

  • Tonight

    Tonight: Mostly cloudy, with a low around 66. South wind around 14 mph, with gusts as high as 20 mph.

    Low: 66 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 79. South southwest wind 13 to 16 mph, with gusts as high as 21 mph.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 67. South wind 10 to 14 mph, with gusts as high as 21 mph.

    Low: 67 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 77. Southwest wind 7 to 9 mph becoming northeast in the afternoon.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 65. Northeast wind 7 to 9 mph.

    Low: 65 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 74. Northeast wind 7 to 10 mph.

    High: 74 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 67. Southeast wind around 9 mph.

    Low: 67 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 76. South southeast wind 9 to 14 mph.

    High: 76 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 69. South wind 11 to 13 mph.

    Low: 69 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 66. South wind around 14 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 79. South southwest wind 13 to 16 mph, with gusts as high as 21 mph.
Friday Night
Mostly clear, with a low around 67. South wind 10 to 14 mph, with gusts as high as 21 mph.
Saturday
Sunny, with a high near 77. Southwest wind 7 to 9 mph becoming northeast in the afternoon.
Saturday Night
Mostly clear, with a low around 65. Northeast wind 7 to 9 mph.
Sunday
Sunny, with a high near 74. Northeast wind 7 to 10 mph.
Sunday Night
Mostly clear, with a low around 67. Southeast wind around 9 mph.
Monday
Sunny, with a high near 76. South southeast wind 9 to 14 mph.
Monday Night
Mostly clear, with a low around 69. South wind 11 to 13 mph.
Tuesday
Sunny, with a high near 77. South wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 69. South southeast wind 11 to 13 mph.
Wednesday
Mostly sunny, with a high near 78.
Wednesday Night
Partly cloudy, with a low around 69.
Thursday
Mostly sunny, with a high near 77.
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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:
8:45 pm CST Jan 1, 2026
Forecast Valid:
8pm CST Jan 1, 2026-6pm CST Jan 8, 2026
 
Forecast Discussion
 
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Additional Resources

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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