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

68°F

20°C

Humidity 73%
Wind Speed Calm
Barometer 29.96 in (1014.5 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 3 Dec 11:53 am CST
Extended Forecast for

Port Isabel TX

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 73. Southeast wind around 10 mph.

    High: 73 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 71. South wind around 10 mph.

    Low: 71 °F

    Mostly Cloudy

  • 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 75. South wind 9 to 14 mph becoming north in the afternoon. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

    High: 75 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers, mainly before midnight. Low around 56. Breezy, with a north northwest wind 14 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.

    Low: 56 °F

    Breezy.
    Showers then
    Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers, mainly before noon. Cloudy, with a high near 65. North northwest wind 11 to 16 mph, with gusts as high as 21 mph.

    High: 65 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers. Cloudy, with a low around 62. North northwest wind 8 to 10 mph.

    Low: 62 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly cloudy, with a high near 72. North northwest wind 8 to 10 mph.

    High: 72 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 67. Northeast wind 5 to 8 mph becoming south southwest after midnight.

    Low: 67 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 75. North wind 7 to 13 mph.

    High: 75 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 73. Southeast wind around 10 mph.
Tonight
Mostly cloudy, with a low around 71. South wind around 10 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 75. South wind 9 to 14 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 56. Breezy, with a north northwest wind 14 to 18 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 65. North northwest wind 11 to 16 mph, with gusts as high as 21 mph.
Friday Night
A 40 percent chance of showers. Cloudy, with a low around 62. North northwest wind 8 to 10 mph.
Saturday
Mostly cloudy, with a high near 72. North northwest wind 8 to 10 mph.
Saturday Night
Mostly cloudy, with a low around 67. Northeast wind 5 to 8 mph becoming south southwest after midnight.
Sunday
Mostly sunny, with a high near 75. North wind 7 to 13 mph.
Sunday Night
Partly cloudy, with a low around 61. North wind 11 to 14 mph.
Monday
Mostly sunny, with a high near 67. North wind 11 to 15 mph.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Mostly sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Port Isabel TX
 26.08°N 97.21°W
Last Update:
12:00 pm CST Dec 3, 2025
Forecast Valid:
12pm CST Dec 3, 2025-6pm CST Dec 9, 2025
 
Forecast Discussion
 
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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