7-Day Forecast 26.06°N 97.21°W (Text-Only)
NWS Forecast for: Port Isabel TX
Issued by: National Weather Service Brownsville, TX
Last Update: 8:00 pm CDT Jun 9, 2026
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  • Tonight

    Tonight: Partly cloudy, with a low around 83. East southeast wind 10 to 13 mph.

    Low: 83 °F

    Partly Cloudy




  • Wednesday

    Wednesday: Sunny, with a high near 90. Southeast wind 11 to 16 mph.

    High: 90 °F

    Sunny




  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 83. Southeast wind 11 to 15 mph, with gusts as high as 21 mph.

    Low: 83 °F

    Partly Cloudy




  • Thursday

    Thursday: Mostly sunny, with a high near 90. East southeast wind 11 to 16 mph.

    High: 90 °F

    Mostly Sunny




  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 82. Southeast wind 10 to 16 mph, with gusts as high as 21 mph.

    Low: 82 °F

    Mostly Clear




  • Friday

    Friday: Sunny, with a high near 89. East wind 10 to 17 mph.

    High: 89 °F

    Sunny




  • Friday
    Night

    Friday Night: A 30 percent chance of showers and thunderstorms after 1am.  Mostly clear, with a low around 82. East wind 11 to 17 mph, with gusts as high as 22 mph.

    Low: 82 °F

    Mostly Clear
    then Chance
    T-storms


  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 88. Breezy, with an east southeast wind 11 to 18 mph.

    High: 88 °F

    Slight Chance
    T-storms and
    Breezy


  • Saturday
    Night

    Saturday Night: A 20 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 83. Breezy, with an east southeast wind 14 to 18 mph.

    Low: 83 °F

    Partly Cloudy
    and Breezy
    then Slight
    Chance
    T-storms

  • Tonight: Partly cloudy, with a low around 83. East southeast wind 10 to 13 mph.

    Wednesday: Sunny, with a high near 90. Southeast wind 11 to 16 mph.

    Wednesday Night: Partly cloudy, with a low around 83. Southeast wind 11 to 15 mph, with gusts as high as 21 mph.

    Thursday: Mostly sunny, with a high near 90. East southeast wind 11 to 16 mph.

    Thursday Night: Mostly clear, with a low around 82. Southeast wind 10 to 16 mph, with gusts as high as 21 mph.

    Friday: Sunny, with a high near 89. East wind 10 to 17 mph.

    Friday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 82. East wind 11 to 17 mph, with gusts as high as 22 mph.

    Saturday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 88. Breezy, with an east southeast wind 11 to 18 mph.

    Saturday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 83. Breezy, with an east southeast wind 14 to 18 mph.

    Sunday: Mostly sunny, with a high near 89. Breezy, with a south southeast wind 14 to 20 mph.

    Sunday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 83. Breezy, with a south southeast wind 16 to 18 mph.

    Monday: Mostly sunny, with a high near 90. Breezy.

    Monday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 83.

    Tuesday: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 89. Breezy.



    Port Isabel TX
     26.06°N 97.21°W

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