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.

Mostly Cloudy

77°F

25°C

Humidity 60%
Wind Speed NE 13 mph
Barometer 30.31 in (1026.3 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 27 Nov 10:53 am CST
Extended Forecast for

Port Isabel TX

  • Thanksgiving Day

    Thanksgiving Day: Mostly sunny, with a high near 76. Breezy, with a northeast wind around 18 mph.

    High: 76 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly cloudy, with a low around 72. East wind 14 to 16 mph, with gusts as high as 21 mph.

    Low: 72 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of showers between noon and 5pm. Partly sunny, with a high near 76. Breezy, with an east wind 15 to 20 mph. Chance of precipitation is 20%.

    High: 76 °F

    Breezy.
    Partly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 73. Breezy, with a southeast wind 18 to 22 mph, with gusts as high as 28 mph.

    Low: 73 °F

    Breezy.
    Slight Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 81. Breezy, with a south wind 20 to 23 mph, with gusts as high as 28 mph.

    High: 81 °F

    Breezy.
    Partly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 69. Breezy, with a south wind 13 to 18 mph becoming northwest after midnight.

    Low: 69 °F

    Partly Cloudy
    and Breezy
    then Chance
    T-storms

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 75. Breezy, with a north wind 13 to 18 mph, with gusts as high as 23 mph.

    High: 75 °F

    Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: A 50 percent chance of showers. Cloudy, with a low around 60. North wind 14 to 16 mph, with gusts as high as 21 mph.

    Low: 60 °F

    Chance
    Showers

  • Monday

    Monday: A 50 percent chance of showers. Cloudy, with a high near 67. North northwest wind around 15 mph, with gusts as high as 20 mph.

    High: 67 °F

    Chance
    Showers

Detailed Forecast

Thanksgiving Day
Mostly sunny, with a high near 76. Breezy, with a northeast wind around 18 mph.
Tonight
Mostly cloudy, with a low around 72. East wind 14 to 16 mph, with gusts as high as 21 mph.
Friday
A slight chance of showers between noon and 5pm. Partly sunny, with a high near 76. Breezy, with an east wind 15 to 20 mph. Chance of precipitation is 20%.
Friday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 73. Breezy, with a southeast wind 18 to 22 mph, with gusts as high as 28 mph.
Saturday
A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 81. Breezy, with a south wind 20 to 23 mph, with gusts as high as 28 mph.
Saturday Night
A 40 percent chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 69. Breezy, with a south wind 13 to 18 mph becoming northwest after midnight.
Sunday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 75. Breezy, with a north wind 13 to 18 mph, with gusts as high as 23 mph.
Sunday Night
A 50 percent chance of showers. Cloudy, with a low around 60. North wind 14 to 16 mph, with gusts as high as 21 mph.
Monday
A 50 percent chance of showers. Cloudy, with a high near 67. North northwest wind around 15 mph, with gusts as high as 20 mph.
Monday Night
A 40 percent chance of showers. Cloudy, with a low around 58. North wind 14 to 16 mph, with gusts as high as 21 mph.
Tuesday
A 30 percent chance of showers. Mostly cloudy, with a high near 65. Breezy, with a north wind 13 to 18 mph.
Tuesday Night
Mostly cloudy, with a low around 59.
Wednesday
Partly sunny, with a high near 74.
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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:
11:05 am CST Nov 27, 2025
Forecast Valid:
11am CST Nov 27, 2025-6pm CST Dec 3, 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