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

62°F

17°C

Humidity 38%
Wind Speed NW 15 G 24 mph
Barometer 30.34 in (1027.3 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 10 Jan 5:53 pm CST
Extended Forecast for

Port Isabel TX

  • Tonight

    Tonight: Mostly cloudy, with a low around 56. Windy, with a north wind 24 to 28 mph, with gusts as high as 34 mph.

    Low: 56 °F

    Mostly Cloudy
    and Windy

  • Sunday

    Sunday: A slight chance of showers between 2pm and 3pm. Increasing clouds, with a high near 63. Breezy, with a north wind 18 to 24 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

    High: 63 °F

    Breezy.
    Partly Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 57. North wind 13 to 16 mph, with gusts as high as 21 mph.

    Low: 57 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 65. North wind 11 to 14 mph.

    High: 65 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 59. North northeast wind 6 to 10 mph.

    Low: 59 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers after noon. Mostly cloudy, with a high near 66. North northeast wind 7 to 10 mph.

    High: 66 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 58. Northeast wind 5 to 7 mph becoming northwest after midnight.

    Low: 58 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 70. North northwest wind 7 to 11 mph.

    High: 70 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57. North northwest wind 8 to 14 mph.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 56. Windy, with a north wind 24 to 28 mph, with gusts as high as 34 mph.
Sunday
A slight chance of showers between 2pm and 3pm. Increasing clouds, with a high near 63. Breezy, with a north wind 18 to 24 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Sunday Night
Mostly cloudy, with a low around 57. North wind 13 to 16 mph, with gusts as high as 21 mph.
Monday
Mostly cloudy, with a high near 65. North wind 11 to 14 mph.
Monday Night
Mostly cloudy, with a low around 59. North northeast wind 6 to 10 mph.
Tuesday
A 20 percent chance of showers after noon. Mostly cloudy, with a high near 66. North northeast wind 7 to 10 mph.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 58. Northeast wind 5 to 7 mph becoming northwest after midnight.
Wednesday
Mostly sunny, with a high near 70. North northwest wind 7 to 11 mph.
Wednesday Night
Mostly clear, with a low around 57. North northwest wind 8 to 14 mph.
Thursday
Sunny, with a high near 67. North wind 10 to 14 mph.
Thursday Night
Mostly clear, with a low around 57. Northeast wind 6 to 9 mph becoming south southeast after midnight.
Friday
Sunny, with a high near 71.
Friday Night
Partly cloudy, with a low around 61.
Saturday
A 20 percent chance of showers. Partly sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Port Isabel TX
 26.08°N 97.21°W
Last Update:
6:15 pm CST Jan 10, 2026
Forecast Valid:
6pm CST Jan 10, 2026-6pm CST Jan 17, 2026
 
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