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

74°F

23°C

Humidity 94%
Wind Speed E 8 mph
Barometer 30.07 in (1018.3 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 11 Apr 3:53 am CDT
Extended Forecast for

Port Isabel TX

  • Today

    Today: A slight chance of showers and thunderstorms before 3pm, then a slight chance of showers between 3pm and 4pm. Partly sunny, with a high near 81. East southeast wind 7 to 17 mph. Chance of precipitation is 20%.

    High: 81 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly cloudy, with a low around 72. Southeast wind around 14 mph, with gusts as high as 20 mph.

    Low: 72 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 81. Breezy, with a southeast wind 14 to 20 mph, with gusts as high as 25 mph.

    High: 81 °F

    Mostly Cloudy
    and Breezy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 73. Southeast wind 13 to 15 mph, with gusts as high as 21 mph.

    Low: 73 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 81. Breezy, with a southeast wind 11 to 20 mph.

    High: 81 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 72. Southeast wind around 14 mph, with gusts as high as 21 mph.

    Low: 72 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81. Breezy, with a south southeast wind 14 to 20 mph, with gusts as high as 25 mph.

    High: 81 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 72. Southeast wind 15 to 17 mph, with gusts as high as 23 mph.

    Low: 72 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 82. Breezy, with a south southeast wind 15 to 21 mph, with gusts as high as 26 mph.

    High: 82 °F

    Partly Sunny
    and Breezy

Detailed Forecast

Today
A slight chance of showers and thunderstorms before 3pm, then a slight chance of showers between 3pm and 4pm. Partly sunny, with a high near 81. East southeast wind 7 to 17 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, with a low around 72. Southeast wind around 14 mph, with gusts as high as 20 mph.
Sunday
Mostly cloudy, with a high near 81. Breezy, with a southeast wind 14 to 20 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 73. Southeast wind 13 to 15 mph, with gusts as high as 21 mph.
Monday
Mostly sunny, with a high near 81. Breezy, with a southeast wind 11 to 20 mph.
Monday Night
Mostly cloudy, with a low around 72. Southeast wind around 14 mph, with gusts as high as 21 mph.
Tuesday
Mostly sunny, with a high near 81. Breezy, with a south southeast wind 14 to 20 mph, with gusts as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 72. Southeast wind 15 to 17 mph, with gusts as high as 23 mph.
Wednesday
Partly sunny, with a high near 82. Breezy, with a south southeast wind 15 to 21 mph, with gusts as high as 26 mph.
Wednesday Night
Partly cloudy, with a low around 72. Southeast wind around 15 mph, with gusts as high as 21 mph.
Thursday
Mostly sunny, with a high near 83. Breezy, with a southeast wind 13 to 18 mph, with gusts as high as 23 mph.
Thursday Night
Partly cloudy, with a low around 73.
Friday
Mostly sunny, with a high near 82. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Port Isabel TX
 26.06°N 97.21°W
Last Update:
4:00 am CDT Apr 11, 2026
Forecast Valid:
4am CDT Apr 11, 2026-6pm CDT Apr 17, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation