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

47°F

8°C

Humidity 63%
Wind Speed NW 9 mph
Barometer 30.39 in (1029.1 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 18 Jan 2:53 am CST
Extended Forecast for

Port Isabel TX

  • Overnight

    Overnight: Clear, with a low around 53. Breezy, with a north wind around 22 mph.

    Low: 53 °F

    Clear and
    Breezy

  • Sunday

    Sunday: Sunny, with a high near 60. Breezy, with a north wind 9 to 18 mph, with gusts as high as 23 mph.

    High: 60 °F

    Sunny and
    Breezy then
    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 52. Northeast wind 5 to 7 mph becoming south southeast after midnight.

    Low: 52 °F

    Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 68. East southeast wind 6 to 14 mph.

    High: 68 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 62. East southeast wind 10 to 13 mph.

    Low: 62 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A 30 percent chance of showers, mainly after noon. Mostly cloudy, with a high near 69. East wind 10 to 16 mph.

    High: 69 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 64. South southeast wind 10 to 14 mph.

    Low: 64 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 70. South wind around 11 mph. Chance of precipitation is 60%.

    High: 70 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 61. South southeast wind around 10 mph becoming north northwest after midnight.

    Low: 61 °F

    Chance
    Showers

Detailed Forecast

Overnight
Clear, with a low around 53. Breezy, with a north wind around 22 mph.
Sunday
Sunny, with a high near 60. Breezy, with a north wind 9 to 18 mph, with gusts as high as 23 mph.
Sunday Night
Clear, with a low around 52. Northeast wind 5 to 7 mph becoming south southeast after midnight.
M.L.King Day
Sunny, with a high near 68. East southeast wind 6 to 14 mph.
Monday Night
Increasing clouds, with a low around 62. East southeast wind 10 to 13 mph.
Tuesday
A 30 percent chance of showers, mainly after noon. Mostly cloudy, with a high near 69. East wind 10 to 16 mph.
Tuesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 64. South southeast wind 10 to 14 mph.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 70. South wind around 11 mph. Chance of precipitation is 60%.
Wednesday Night
A 30 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 61. South southeast wind around 10 mph becoming north northwest after midnight.
Thursday
Partly sunny, with a high near 69. North wind 10 to 14 mph.
Thursday Night
Partly cloudy, with a low around 62. North northeast wind 6 to 10 mph becoming southeast after midnight.
Friday
Mostly sunny, with a high near 74.
Friday Night
Mostly cloudy, with a low around 66.
Saturday
Partly sunny, with a high near 76.
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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:
3:45 am CST Jan 18, 2026
Forecast Valid:
3am CST Jan 18, 2026-6pm CST Jan 24, 2026
 
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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