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

76°F

24°C

Humidity 88%
Wind Speed S 12 mph
Barometer 29.91 in (1012.8 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 16 Apr 3:53 am CDT
Extended Forecast for

Port Isabel TX

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 80. Breezy, with a southeast wind 11 to 18 mph.

    High: 80 °F

    Partly Sunny
    then Sunny
    and Breezy

  • Tonight

    Tonight: Mostly cloudy, with a low around 74. Southeast wind around 15 mph, with gusts as high as 20 mph.

    Low: 74 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 80. Breezy, with a south southeast wind 14 to 22 mph, with gusts as high as 29 mph.

    High: 80 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 74. Breezy, with a south southeast wind around 18 mph, with gusts as high as 23 mph.

    Low: 74 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 80. Breezy, with a south southeast wind around 18 mph, with gusts as high as 24 mph.

    High: 80 °F

    Mostly Cloudy
    and Breezy

  • Saturday Night

    Saturday Night: A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 72. East southeast wind 10 to 13 mph becoming north northeast after midnight. Chance of precipitation is 50%.

    Low: 72 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm. Cloudy, with a high near 75. Breezy, with a northeast wind 15 to 21 mph. Chance of precipitation is 70%.

    High: 75 °F

    Showers
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Cloudy, with a low around 70. Breezy, with an east northeast wind 14 to 20 mph.

    Low: 70 °F

    Chance
    T-storms and
    Breezy

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 77. Breezy, with an east southeast wind 14 to 18 mph, with gusts as high as 24 mph.

    High: 77 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 80. Breezy, with a southeast wind 11 to 18 mph.
Tonight
Mostly cloudy, with a low around 74. Southeast wind around 15 mph, with gusts as high as 20 mph.
Friday
Partly sunny, with a high near 80. Breezy, with a south southeast wind 14 to 22 mph, with gusts as high as 29 mph.
Friday Night
Mostly cloudy, with a low around 74. Breezy, with a south southeast wind around 18 mph, with gusts as high as 23 mph.
Saturday
Mostly cloudy, with a high near 80. Breezy, with a south southeast wind around 18 mph, with gusts as high as 24 mph.
Saturday Night
A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 72. East southeast wind 10 to 13 mph becoming north northeast after midnight. Chance of precipitation is 50%.
Sunday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 75. Breezy, with a northeast wind 15 to 21 mph. Chance of precipitation is 70%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Cloudy, with a low around 70. Breezy, with an east northeast wind 14 to 20 mph.
Monday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 77. Breezy, with an east southeast wind 14 to 18 mph, with gusts as high as 24 mph.
Monday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 72. East southeast wind 10 to 16 mph.
Tuesday
Mostly cloudy, with a high near 79. Southeast wind 10 to 17 mph.
Tuesday Night
Mostly cloudy, with a low around 72.
Wednesday
Mostly sunny, with a high near 80. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Port Isabel TX
 26.08°N 97.21°W
Last Update:
4:45 am CDT Apr 16, 2026
Forecast Valid:
4am CDT Apr 16, 2026-6pm CDT Apr 22, 2026
 
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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