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.

Fog/Mist

71°F

22°C

Humidity 90%
Wind Speed N 18 G 26 mph
Barometer 29.97 in (1014.9 mb)
Dewpoint 68°F (20°C)
Visibility 6.00 mi
Last update 4 Dec 1:53 pm CST
Extended Forecast for

Port Isabel TX

  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm before 3pm, then a chance of showers and thunderstorms, mainly between 3pm and 5pm. Cloudy, with a high near 77. Breezy, with a north wind 14 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.

    High: 77 °F

    Showers
    Likely and
    Breezy

  • Tonight

    Tonight: A chance of rain and thunderstorms. Cloudy, with a low around 56. Breezy, with a north northwest wind 18 to 22 mph. Chance of precipitation is 50%.

    Low: 56 °F

    Chance Rain
    and Breezy

  • Friday

    Friday: A 20 percent chance of rain before 10am. Mostly cloudy, with a high near 65. North northwest wind 10 to 17 mph.

    High: 65 °F

    Slight Chance
    Rain then
    Cloudy

  • Friday Night

    Friday Night: A chance of rain before midnight, then a chance of showers after midnight. Cloudy, with a low around 64. North northwest wind 7 to 10 mph. Chance of precipitation is 40%.

    Low: 64 °F

    Chance Rain

  • Saturday

    Saturday: Mostly cloudy, with a high near 72. North northwest wind 8 to 11 mph.

    High: 72 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 67. North northeast wind 5 to 7 mph becoming light and variable.

    Low: 67 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 77. West northwest wind 5 to 13 mph becoming north northeast in the afternoon.

    High: 77 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 60. Breezy, with a north wind 13 to 21 mph.

    Low: 60 °F

    Partly Cloudy
    then Partly
    Cloudy and
    Breezy

  • Monday

    Monday: Mostly sunny, with a high near 66. Breezy, with a north wind 11 to 18 mph, with gusts as high as 23 mph.

    High: 66 °F

    Mostly Sunny
    and Breezy
    then Mostly
    Sunny

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm before 3pm, then a chance of showers and thunderstorms, mainly between 3pm and 5pm. Cloudy, with a high near 77. Breezy, with a north wind 14 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Tonight
A chance of rain and thunderstorms. Cloudy, with a low around 56. Breezy, with a north northwest wind 18 to 22 mph. Chance of precipitation is 50%.
Friday
A 20 percent chance of rain before 10am. Mostly cloudy, with a high near 65. North northwest wind 10 to 17 mph.
Friday Night
A chance of rain before midnight, then a chance of showers after midnight. Cloudy, with a low around 64. North northwest wind 7 to 10 mph. Chance of precipitation is 40%.
Saturday
Mostly cloudy, with a high near 72. North northwest wind 8 to 11 mph.
Saturday Night
Mostly cloudy, with a low around 67. North northeast wind 5 to 7 mph becoming light and variable.
Sunday
Partly sunny, with a high near 77. West northwest wind 5 to 13 mph becoming north northeast in the afternoon.
Sunday Night
Partly cloudy, with a low around 60. Breezy, with a north wind 13 to 21 mph.
Monday
Mostly sunny, with a high near 66. Breezy, with a north wind 11 to 18 mph, with gusts as high as 23 mph.
Monday Night
Partly cloudy, with a low around 60. North northeast wind 6 to 10 mph.
Tuesday
Mostly sunny, with a high near 71. East northeast wind 6 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
Sunny, with a high near 77.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Port Isabel TX
 26.08°N 97.21°W
Last Update:
2:30 pm CST Dec 4, 2025
Forecast Valid:
2pm CST Dec 4, 2025-6pm CST Dec 10, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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