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

55°F

13°C

Humidity 87%
Wind Speed N 18 G 26 mph
Barometer 30.10 in (1019.3 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 4 Dec 6:53 pm CST
Extended Forecast for

Port Isabel TX

  • Tonight

    Tonight: A chance of rain and thunderstorms. Cloudy, with a low around 56. Breezy, with a north northwest wind 18 to 22 mph. Chance of precipitation is 50%.

    Low: 56 °F

    Chance Rain
    and Breezy

  • Friday

    Friday: A 20 percent chance of rain before 10am. Mostly cloudy, with a high near 65. North northwest wind 10 to 17 mph.

    High: 65 °F

    Slight Chance
    Rain then
    Cloudy

  • Friday Night

    Friday Night: A chance of rain before midnight, then a chance of showers after midnight. Cloudy, with a low around 64. North northwest wind 7 to 10 mph. Chance of precipitation is 40%.

    Low: 64 °F

    Chance Rain

  • Saturday

    Saturday: Mostly cloudy, with a high near 72. North northwest wind 8 to 11 mph.

    High: 72 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 67. North northeast wind 5 to 7 mph becoming light and variable.

    Low: 67 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 77. West northwest wind 5 to 13 mph becoming north northeast in the afternoon.

    High: 77 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 60. Breezy, with a north wind 13 to 21 mph.

    Low: 60 °F

    Partly Cloudy
    then Partly
    Cloudy and
    Breezy

  • Monday

    Monday: Mostly sunny, with a high near 66. Breezy, with a north wind 11 to 18 mph, with gusts as high as 23 mph.

    High: 66 °F

    Mostly Sunny
    and Breezy
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 60. North northeast wind 6 to 10 mph.

    Low: 60 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of rain and thunderstorms. Cloudy, with a low around 56. Breezy, with a north northwest wind 18 to 22 mph. Chance of precipitation is 50%.
Friday
A 20 percent chance of rain before 10am. Mostly cloudy, with a high near 65. North northwest wind 10 to 17 mph.
Friday Night
A chance of rain before midnight, then a chance of showers after midnight. Cloudy, with a low around 64. North northwest wind 7 to 10 mph. Chance of precipitation is 40%.
Saturday
Mostly cloudy, with a high near 72. North northwest wind 8 to 11 mph.
Saturday Night
Mostly cloudy, with a low around 67. North northeast wind 5 to 7 mph becoming light and variable.
Sunday
Partly sunny, with a high near 77. West northwest wind 5 to 13 mph becoming north northeast in the afternoon.
Sunday Night
Partly cloudy, with a low around 60. Breezy, with a north wind 13 to 21 mph.
Monday
Mostly sunny, with a high near 66. Breezy, with a north wind 11 to 18 mph, with gusts as high as 23 mph.
Monday Night
Partly cloudy, with a low around 60. North northeast wind 6 to 10 mph.
Tuesday
Mostly sunny, with a high near 71. East northeast wind 6 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 63. East wind around 8 mph becoming south after midnight.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 67.
Thursday
Sunny, with a high near 76.
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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:
7:30 pm CST Dec 4, 2025
Forecast Valid:
7pm CST Dec 4, 2025-6pm CST Dec 11, 2025
 
Forecast Discussion
 
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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