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 91%
Wind Speed SE 13 mph
Barometer 30.01 in (1016.0 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 12 Apr 2:53 am CDT
Extended Forecast for

Port Isabel TX

  • Overnight

    Overnight: Mostly cloudy, with a low around 73. South southeast wind around 13 mph, with gusts as high as 20 mph.

    Low: 73 °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 72. Southeast wind 13 to 15 mph, with gusts as high as 21 mph.

    Low: 72 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 82. Breezy, with a southeast wind 11 to 18 mph.

    High: 82 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 72. Southeast wind around 14 mph, with gusts as high as 20 mph.

    Low: 72 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 82. Breezy, with a south southeast wind 13 to 20 mph.

    High: 82 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 72. Southeast wind 14 to 16 mph, with gusts as high as 22 mph.

    Low: 72 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 82. Breezy, with a south southeast wind 14 to 20 mph, with gusts as high as 25 mph.

    High: 82 °F

    Partly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 73. Southeast wind around 14 mph, with gusts as high as 20 mph.

    Low: 73 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 73. South southeast wind around 13 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 72. Southeast wind 13 to 15 mph, with gusts as high as 21 mph.
Monday
Partly sunny, with a high near 82. Breezy, with a southeast wind 11 to 18 mph.
Monday Night
Partly cloudy, with a low around 72. Southeast wind around 14 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 82. Breezy, with a south southeast wind 13 to 20 mph.
Tuesday Night
Partly cloudy, with a low around 72. Southeast wind 14 to 16 mph, with gusts as high as 22 mph.
Wednesday
Partly sunny, with a high near 82. Breezy, with a south southeast wind 14 to 20 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly cloudy, with a low around 73. Southeast wind around 14 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 83. Breezy, with a southeast wind 11 to 20 mph.
Thursday Night
Partly cloudy, with a low around 72. South southeast wind around 15 mph, with gusts as high as 21 mph.
Friday
Mostly sunny, with a high near 83. Breezy.
Friday Night
Mostly cloudy, with a low around 72. Breezy.
Saturday
Partly sunny, with a high near 83. 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:
3:18 am CDT Apr 12, 2026
Forecast Valid:
3am CDT Apr 12, 2026-6pm CDT Apr 18, 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