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

75°F

24°C

Humidity 76%
Wind Speed NE 15 G 26 mph
Barometer 30.16 in (1021.3 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 26 Nov 9:53 am CST
Extended Forecast for

Port Isabel TX

  • Today

    Today: Showers and possibly a thunderstorm, mainly before 3pm, then a chance of showers and thunderstorms after 3pm. High near 77. Breezy, with a northeast wind 18 to 22 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 77 °F

    Showers and
    Breezy

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms before 8pm. Cloudy during the evening, then partly cloudy overnight, with a low around 72. Breezy, with a northeast wind 15 to 20 mph.

    Low: 72 °F

    Chance
    Showers and
    Breezy then
    Mostly Cloudy

  • Thanksgiving Day

    Thanksgiving Day: Mostly sunny, with a high near 75. Northeast wind 15 to 17 mph.

    High: 75 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 71. East northeast wind around 15 mph.

    Low: 71 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 76. Breezy, with an east southeast wind 14 to 18 mph, with gusts as high as 23 mph.

    High: 76 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 74. Breezy, with a south southeast wind 18 to 21 mph, with gusts as high as 26 mph.

    Low: 74 °F

    Mostly Cloudy
    and Breezy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 79. Breezy, with a south southeast wind 20 to 22 mph.

    High: 79 °F

    Breezy.
    Partly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly after midnight. Mostly cloudy, with a low around 70. Breezy, with a south wind 13 to 18 mph.

    Low: 70 °F

    Chance
    T-storms and
    Breezy

  • Sunday

    Sunday: A 40 percent chance of showers. Mostly cloudy, with a high near 75. South wind 13 to 17 mph becoming north in the afternoon.

    High: 75 °F

    Chance
    Showers

Detailed Forecast

Today
Showers and possibly a thunderstorm, mainly before 3pm, then a chance of showers and thunderstorms after 3pm. High near 77. Breezy, with a northeast wind 18 to 22 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
A 40 percent chance of showers and thunderstorms before 8pm. Cloudy during the evening, then partly cloudy overnight, with a low around 72. Breezy, with a northeast wind 15 to 20 mph.
Thanksgiving Day
Mostly sunny, with a high near 75. Northeast wind 15 to 17 mph.
Thursday Night
Mostly cloudy, with a low around 71. East northeast wind around 15 mph.
Friday
Partly sunny, with a high near 76. Breezy, with an east southeast wind 14 to 18 mph, with gusts as high as 23 mph.
Friday Night
Mostly cloudy, with a low around 74. Breezy, with a south southeast wind 18 to 21 mph, with gusts as high as 26 mph.
Saturday
A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 79. Breezy, with a south southeast wind 20 to 22 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly after midnight. Mostly cloudy, with a low around 70. Breezy, with a south wind 13 to 18 mph.
Sunday
A 40 percent chance of showers. Mostly cloudy, with a high near 75. South wind 13 to 17 mph becoming north in the afternoon.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 63. North wind around 14 mph, with gusts as high as 20 mph.
Monday
A 40 percent chance of showers. Mostly cloudy, with a high near 67. North northwest wind 14 to 16 mph.
Monday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 60.
Tuesday
A 30 percent chance of showers. Mostly cloudy, with a high near 65.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Port Isabel TX
 26.08°N 97.24°W
Last Update:
10:31 am CST Nov 26, 2025
Forecast Valid:
10am CST Nov 26, 2025-6pm CST Dec 2, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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