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

64°F

18°C

Humidity 45%
Wind Speed N 12 mph
Barometer 30.29 in (1025.6 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 15 Jan 11:53 am CST
Extended Forecast for

Port Isabel TX

  • This Afternoon

    This Afternoon: Sunny, with a high near 66. North wind 7 to 15 mph.

    High: 66 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 54. East northeast wind 6 to 9 mph becoming south after midnight.

    Low: 54 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 76. Breezy, with a south wind 9 to 18 mph, with gusts as high as 23 mph.

    High: 76 °F

    Sunny then
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 61. South southeast wind 6 to 10 mph becoming north northwest after midnight.

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers after noon. Mostly cloudy, with a high near 70. Northeast wind 10 to 17 mph, with gusts as high as 22 mph.

    High: 70 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 52. Breezy, with a north wind 15 to 20 mph, with gusts as high as 28 mph.

    Low: 52 °F

    Chance
    Showers and
    Breezy

  • Sunday

    Sunday: Sunny, with a high near 62. North wind 9 to 17 mph, with gusts as high as 24 mph.

    High: 62 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 53. Southeast wind 6 to 8 mph.

    Low: 53 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 71. Southeast wind 8 to 14 mph, with gusts as high as 20 mph.

    High: 71 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 66. North wind 7 to 15 mph.
Tonight
Clear, with a low around 54. East northeast wind 6 to 9 mph becoming south after midnight.
Friday
Sunny, with a high near 76. Breezy, with a south wind 9 to 18 mph, with gusts as high as 23 mph.
Friday Night
Partly cloudy, with a low around 61. South southeast wind 6 to 10 mph becoming north northwest after midnight.
Saturday
A 30 percent chance of showers after noon. Mostly cloudy, with a high near 70. Northeast wind 10 to 17 mph, with gusts as high as 22 mph.
Saturday Night
A 40 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 52. Breezy, with a north wind 15 to 20 mph, with gusts as high as 28 mph.
Sunday
Sunny, with a high near 62. North wind 9 to 17 mph, with gusts as high as 24 mph.
Sunday Night
Mostly clear, with a low around 53. Southeast wind 6 to 8 mph.
M.L.King Day
Mostly sunny, with a high near 71. Southeast wind 8 to 14 mph, with gusts as high as 20 mph.
Monday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 61. East southeast wind around 11 mph.
Tuesday
A 40 percent chance of showers. Mostly cloudy, with a high near 70. East wind 10 to 16 mph, with gusts as high as 21 mph.
Tuesday Night
A 40 percent chance of showers. Cloudy, with a low around 59.
Wednesday
A 40 percent chance of showers. Mostly cloudy, with a high near 71.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Port Isabel TX
 26.06°N 97.21°W
Last Update:
12:30 pm CST Jan 15, 2026
Forecast Valid:
12pm CST Jan 15, 2026-6pm CST Jan 21, 2026
 
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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