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

77°F

25°C

Humidity 82%
Wind Speed E 15 mph
Barometer 30.12 in (1019.7 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 10 Apr 11:53 am CDT
Extended Forecast for

Port Isabel TX

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly before 2pm. Mostly sunny, with a high near 78. East wind 10 to 14 mph.

    High: 78 °F

    Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 72. East southeast wind 9 to 11 mph.

    Low: 72 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers between noon and 2pm. Mostly sunny, with a high near 78. Breezy, with an east southeast wind 8 to 18 mph. Chance of precipitation is 30%.

    High: 78 °F

    Mostly Sunny
    then Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 73. Southeast wind 14 to 16 mph, with gusts as high as 21 mph.

    Low: 73 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 80. Breezy, with a southeast wind 14 to 21 mph.

    High: 80 °F

    Mostly Cloudy
    and Breezy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 74. Southeast wind 14 to 16 mph, with gusts as high as 21 mph.

    Low: 74 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 79. Breezy, with a southeast wind 14 to 20 mph.

    High: 79 °F

    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 74. Southeast wind around 17 mph, with gusts as high as 22 mph.

    Low: 74 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 80. Breezy, with a south southeast wind 17 to 23 mph, with gusts as high as 28 mph.

    High: 80 °F

    Partly Sunny
    and Breezy

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly before 2pm. Mostly sunny, with a high near 78. East wind 10 to 14 mph.
Tonight
Partly cloudy, with a low around 72. East southeast wind 9 to 11 mph.
Saturday
A chance of showers between noon and 2pm. Mostly sunny, with a high near 78. Breezy, with an east southeast wind 8 to 18 mph. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 73. Southeast wind 14 to 16 mph, with gusts as high as 21 mph.
Sunday
Mostly cloudy, with a high near 80. Breezy, with a southeast wind 14 to 21 mph.
Sunday Night
Mostly cloudy, with a low around 74. Southeast wind 14 to 16 mph, with gusts as high as 21 mph.
Monday
Mostly sunny, with a high near 79. Breezy, with a southeast wind 14 to 20 mph.
Monday Night
Partly cloudy, with a low around 74. Southeast wind around 17 mph, with gusts as high as 22 mph.
Tuesday
Partly sunny, with a high near 80. Breezy, with a south southeast wind 17 to 23 mph, with gusts as high as 28 mph.
Tuesday Night
Partly cloudy, with a low around 74. Southeast wind around 17 mph, with gusts as high as 23 mph.
Wednesday
Mostly cloudy, with a high near 80. Breezy, with a south southeast wind 16 to 21 mph, with gusts as high as 26 mph.
Wednesday Night
Mostly cloudy, with a low around 74.
Thursday
Mostly sunny, with a high near 80. 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:
12:15 pm CDT Apr 10, 2026
Forecast Valid:
12pm CDT Apr 10, 2026-6pm CDT Apr 16, 2026
 
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Additional Resources

Radar & Satellite Image

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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