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.

68°F

20°C

Humidity 90%
Wind Speed NW 12 mph
Barometer 30.06 in (1018.0 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 11 Nov 12:53 pm CST
Extended Forecast for

Port Isabel TX

  • Veterans Day

    Veterans Day: A 20 percent chance of showers before 4pm. Cloudy, with a high near 73. Northwest wind around 11 mph.

    High: 73 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Cloudy, with a low around 66. Northwest wind 9 to 14 mph.

    Low: 66 °F

    Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 75. North wind 13 to 17 mph.

    High: 75 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Cloudy during the early evening, then gradual clearing, with a low around 69. North wind 9 to 11 mph.

    Low: 69 °F

    Gradual
    Clearing

  • Friday

    Friday: Sunny, with a high near 77. East northeast wind 8 to 10 mph.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 71. East southeast wind 8 to 14 mph.

    Low: 71 °F

    Partly Cloudy

  • Saturday

    Saturday: A 40 percent chance of showers, mainly after noon. Mostly sunny, with a high near 78. Southeast wind 14 to 17 mph.

    High: 78 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before midnight. Partly cloudy, with a low around 74. Southeast wind around 16 mph.

    Low: 74 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 81. Breezy, with a southeast wind 14 to 18 mph.

    High: 81 °F

    Mostly Sunny
    and Breezy

Detailed Forecast

Veterans Day
A 20 percent chance of showers before 4pm. Cloudy, with a high near 73. Northwest wind around 11 mph.
Tonight
Cloudy, with a low around 66. Northwest wind 9 to 14 mph.
Thursday
Mostly cloudy, with a high near 75. North wind 13 to 17 mph.
Thursday Night
Cloudy during the early evening, then gradual clearing, with a low around 69. North wind 9 to 11 mph.
Friday
Sunny, with a high near 77. East northeast wind 8 to 10 mph.
Friday Night
Partly cloudy, with a low around 71. East southeast wind 8 to 14 mph.
Saturday
A 40 percent chance of showers, mainly after noon. Mostly sunny, with a high near 78. Southeast wind 14 to 17 mph.
Saturday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 74. Southeast wind around 16 mph.
Sunday
Mostly sunny, with a high near 81. Breezy, with a southeast wind 14 to 18 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 74. Southeast wind 6 to 13 mph becoming north northeast after midnight.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 77. Breezy, with a north northeast wind 7 to 12 mph increasing to 17 to 22 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 69. Breezy.
Tuesday
Partly sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Port Isabel TX
 26.08°N 97.21°W
Last Update:
1:47 pm CST Nov 11, 2026
Forecast Valid:
1pm CST Nov 11, 2026-6pm CST Nov 17, 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