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

72°F

22°C

Humidity 71%
Wind Speed NE 7 mph
Barometer 29.88 in (1011.9 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 3 Dec 3:53 pm CST
Extended Forecast for

Port Isabel TX

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 73. South southeast wind around 10 mph.

    High: 73 °F

    Partly Sunny

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 70. South wind around 9 mph.

    Low: 70 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: A slight chance of showers between 10am and noon, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 76. South wind 7 to 13 mph becoming north in the afternoon. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

    High: 76 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers, mainly before midnight. Low around 55. North northwest wind 13 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.

    Low: 55 °F

    Showers then
    Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers, mainly before noon. Cloudy, with a high near 66. North northwest wind 11 to 14 mph, with gusts as high as 20 mph.

    High: 66 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers. Cloudy, with a low around 60. North northwest wind 6 to 10 mph.

    Low: 60 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly cloudy, with a high near 72. North northwest wind 6 to 10 mph becoming northeast in the afternoon.

    High: 72 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 66. Northeast wind 5 to 7 mph becoming light and variable.

    Low: 66 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 77. North wind 6 to 13 mph.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 73. South southeast wind around 10 mph.
Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 70. South wind around 9 mph.
Thursday
A slight chance of showers between 10am and noon, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 76. South wind 7 to 13 mph becoming north in the afternoon. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers, mainly before midnight. Low around 55. North northwest wind 13 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Friday
A 30 percent chance of showers, mainly before noon. Cloudy, with a high near 66. North northwest wind 11 to 14 mph, with gusts as high as 20 mph.
Friday Night
A 40 percent chance of showers. Cloudy, with a low around 60. North northwest wind 6 to 10 mph.
Saturday
Mostly cloudy, with a high near 72. North northwest wind 6 to 10 mph becoming northeast in the afternoon.
Saturday Night
Mostly cloudy, with a low around 66. Northeast wind 5 to 7 mph becoming light and variable.
Sunday
Mostly sunny, with a high near 77. North wind 6 to 13 mph.
Sunday Night
Partly cloudy, with a low around 59. North wind around 11 mph.
Monday
Mostly sunny, with a high near 69. North wind 10 to 14 mph.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Partly sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Port Isabel TX
 26.06°N 97.21°W
Last Update:
4:00 pm CST Dec 3, 2025
Forecast Valid:
4pm CST Dec 3, 2025-6pm CST Dec 9, 2025
 
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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