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.

Fair

71°F

22°C

Humidity 84%
Wind Speed SE 8 mph
Barometer 30.00 in (1015.7 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 22 Jan 5:53 pm CST
Extended Forecast for

Port Isabel TX

  • Tonight

    Tonight: Mostly cloudy, with a low around 66. South southeast wind 6 to 8 mph.

    Low: 66 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 74. Southeast wind 7 to 14 mph.

    High: 74 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 69. Southeast wind 11 to 14 mph.

    Low: 69 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers after noon. Partly sunny, with a high near 77. Breezy, with a south southeast wind 14 to 21 mph.

    High: 77 °F

    Breezy.
    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before midnight, then a chance of showers between midnight and 3am, then a chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 50. Breezy, with a south southeast wind 16 to 18 mph becoming north northwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 30%.

    Low: 50 °F

    Chance
    Showers and
    Breezy

  • Sunday

    Sunday: Mostly cloudy, with a high near 56. Breezy, with a north wind 18 to 23 mph, with gusts as high as 29 mph.

    High: 56 °F

    Mostly Cloudy
    and Breezy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 39. Breezy, with a north northwest wind around 23 mph, with gusts as high as 28 mph.

    Low: 39 °F

    Mostly Cloudy
    and Breezy

  • Monday

    Monday: Mostly cloudy, with a high near 53. Breezy, with a north northwest wind 15 to 22 mph.

    High: 53 °F

    Mostly Cloudy
    and Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 46. North northeast wind 10 to 14 mph.

    Low: 46 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 66. South southeast wind 6 to 8 mph.
Friday
Partly sunny, with a high near 74. Southeast wind 7 to 14 mph.
Friday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 69. Southeast wind 11 to 14 mph.
Saturday
A 20 percent chance of showers after noon. Partly sunny, with a high near 77. Breezy, with a south southeast wind 14 to 21 mph.
Saturday Night
A chance of showers and thunderstorms before midnight, then a chance of showers between midnight and 3am, then a chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 50. Breezy, with a south southeast wind 16 to 18 mph becoming north northwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 30%.
Sunday
Mostly cloudy, with a high near 56. Breezy, with a north wind 18 to 23 mph, with gusts as high as 29 mph.
Sunday Night
Mostly cloudy, with a low around 39. Breezy, with a north northwest wind around 23 mph, with gusts as high as 28 mph.
Monday
Mostly cloudy, with a high near 53. Breezy, with a north northwest wind 15 to 22 mph.
Monday Night
Mostly cloudy, with a low around 46. North northeast wind 10 to 14 mph.
Tuesday
Mostly cloudy, with a high near 64. East northeast wind 10 to 13 mph becoming southeast in the afternoon.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 58. Southeast wind 8 to 10 mph becoming south southwest after midnight.
Wednesday
A 20 percent chance of showers. Partly sunny, with a high near 68.
Wednesday Night
Partly cloudy, with a low around 57.
Thursday
Partly sunny, with a high near 67.
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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:
6:30 pm CST Jan 22, 2026
Forecast Valid:
6pm CST Jan 22, 2026-6pm CST Jan 29, 2026
 
Forecast Discussion
 
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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