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

51°F

11°C

Humidity 71%
Wind Speed NW 8 mph
Barometer 30.24 in (1024.0 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 15 Jan 3:53 am CST
Extended Forecast for

Port Isabel TX

  • Today

    Today: Sunny, with a high near 64. Breezy, with a north wind 9 to 18 mph, with gusts as high as 23 mph.

    High: 64 °F

    Sunny and
    Breezy then
    Sunny

  • Tonight

    Tonight: Clear, with a low around 56. Northeast wind 6 to 9 mph becoming south after midnight.

    Low: 56 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 74. South wind 10 to 16 mph, with gusts as high as 21 mph.

    High: 74 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 62. South wind 7 to 11 mph becoming east northeast after midnight.

    Low: 62 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after noon. Partly sunny, with a high near 69. Northeast wind 9 to 16 mph.

    High: 69 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 54. Breezy, with a north northeast wind 16 to 18 mph, with gusts as high as 24 mph.

    Low: 54 °F

    Breezy.
    Slight Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 63. North northeast wind 11 to 16 mph.

    High: 63 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 57. East wind 8 to 10 mph becoming south southeast after midnight.

    Low: 57 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Partly sunny, with a high near 70. South southeast wind 10 to 16 mph.

    High: 70 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 64. Breezy, with a north wind 9 to 18 mph, with gusts as high as 23 mph.
Tonight
Clear, with a low around 56. Northeast wind 6 to 9 mph becoming south after midnight.
Friday
Sunny, with a high near 74. South wind 10 to 16 mph, with gusts as high as 21 mph.
Friday Night
Partly cloudy, with a low around 62. South wind 7 to 11 mph becoming east northeast after midnight.
Saturday
A 20 percent chance of showers after noon. Partly sunny, with a high near 69. Northeast wind 9 to 16 mph.
Saturday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 54. Breezy, with a north northeast wind 16 to 18 mph, with gusts as high as 24 mph.
Sunday
Sunny, with a high near 63. North northeast wind 11 to 16 mph.
Sunday Night
Mostly clear, with a low around 57. East wind 8 to 10 mph becoming south southeast after midnight.
M.L.King Day
Partly sunny, with a high near 70. South southeast wind 10 to 16 mph.
Monday Night
A 20 percent chance of showers after midnight. Cloudy, with a low around 64. Southeast wind 11 to 14 mph.
Tuesday
A 40 percent chance of showers. Cloudy, with a high near 70. East southeast wind 11 to 17 mph, with gusts as high as 22 mph.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 61.
Wednesday
A 30 percent chance of showers. Mostly cloudy, with a high near 70.
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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:
4:00 am CST Jan 15, 2026
Forecast Valid:
4am CST Jan 15, 2026-6pm CST Jan 21, 2026
 
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Additional Resources

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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