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

61°F

16°C

Humidity 84%
Wind Speed S 3 mph
Barometer 30.24 in (1023.8 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 4 Nov 2:53 am CST
Extended Forecast for

Port Isabel TX

  • Overnight

    Overnight: Partly cloudy, with a low around 70. East southeast wind around 6 mph.

    Low: 70 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 77. East wind 6 to 10 mph.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 70. East wind 5 to 10 mph becoming light and variable after midnight.

    Low: 70 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 79. Light and variable wind becoming east southeast 5 to 10 mph in the morning.

    High: 79 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 71. East southeast wind 5 to 10 mph becoming light south after midnight.

    Low: 71 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 80. Light south wind becoming east southeast 5 to 10 mph in the morning.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 72. South wind around 10 mph.

    Low: 72 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 83. South wind 9 to 13 mph.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 74. South wind 8 to 11 mph.

    Low: 74 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 70. East southeast wind around 6 mph.
Tuesday
Sunny, with a high near 77. East wind 6 to 10 mph.
Tuesday Night
Mostly clear, with a low around 70. East wind 5 to 10 mph becoming light and variable after midnight.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 79. Light and variable wind becoming east southeast 5 to 10 mph in the morning.
Wednesday Night
Mostly clear, with a low around 71. East southeast wind 5 to 10 mph becoming light south after midnight.
Thursday
Sunny, with a high near 80. Light south wind becoming east southeast 5 to 10 mph in the morning.
Thursday Night
Mostly clear, with a low around 72. South wind around 10 mph.
Friday
Sunny, with a high near 83. South wind 9 to 13 mph.
Friday Night
Mostly clear, with a low around 74. South wind 8 to 11 mph.
Saturday
Sunny, with a high near 83. South wind 8 to 13 mph.
Saturday Night
Mostly clear, with a low around 74. South wind 6 to 11 mph.
Sunday
Sunny, with a high near 81.
Sunday Night
Mostly clear, with a low around 71.
Monday
Sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Port Isabel TX
 26.08°N 97.24°W
Last Update:
3:18 am CST Nov 4, 2025
Forecast Valid:
3am CST Nov 4, 2025-6pm CST Nov 10, 2025
 
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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