Current conditions at

Port Isabel, Port Isabel-Cameron County Airport (KPIL)

Lat: 26.16°NLon: 97.34°WElev: 16ft.

Fair

82°F

28°C

Humidity 72%
Wind Speed E 18 mph
Barometer 29.93 in (1013.4 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 4 Apr 4:53 pm CDT
Extended Forecast for

Port Isabel TX

  • Tonight

    Tonight: A chance of showers before 1am, then a chance of showers and thunderstorms between 1am and 5am, then showers likely and possibly a thunderstorm after 5am.  Increasing clouds, with a low around 71. East southeast wind 6 to 13 mph.  Chance of precipitation is 60%.

    Low: 71 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday

    Sunday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 10am.  High near 74. Breezy, with a north northeast wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon.  Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    High: 74 °F

    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm.  Low around 64. Breezy, with a north wind 18 to 22 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 64 °F

    Showers and
    Breezy

  • Monday

    Monday: Showers likely, mainly before 1pm.  Mostly cloudy, with a high near 70. Breezy, with a north wind 20 to 22 mph.  Chance of precipitation is 60%.

    High: 70 °F

    Showers
    Likely and
    Breezy

  • Monday Night

    Monday Night: A 30 percent chance of showers, mainly before 1am.  Mostly cloudy, with a low around 65. North northeast wind 9 to 17 mph.

    Low: 65 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers, mainly before 1pm.  Partly sunny, with a high near 73. North northeast wind 10 to 14 mph.

    High: 73 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers, mainly before 1am.  Mostly cloudy, with a low around 68. East northeast wind 6 to 11 mph.

    Low: 68 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers.  Partly sunny, with a high near 76. East wind 5 to 13 mph.

    High: 76 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 70. East wind 6 to 10 mph.

    Low: 70 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A chance of showers before 1am, then a chance of showers and thunderstorms between 1am and 5am, then showers likely and possibly a thunderstorm after 5am. Increasing clouds, with a low around 71. East southeast wind 6 to 13 mph. Chance of precipitation is 60%.
Sunday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 10am. High near 74. Breezy, with a north northeast wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Sunday Night
Showers and possibly a thunderstorm. Low around 64. Breezy, with a north wind 18 to 22 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 70. Breezy, with a north wind 20 to 22 mph. Chance of precipitation is 60%.
Monday Night
A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 65. North northeast wind 9 to 17 mph.
Tuesday
A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 73. North northeast wind 10 to 14 mph.
Tuesday Night
A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 68. East northeast wind 6 to 11 mph.
Wednesday
A 20 percent chance of showers. Partly sunny, with a high near 76. East wind 5 to 13 mph.
Wednesday Night
Mostly cloudy, with a low around 70. East wind 6 to 10 mph.
Thursday
A 20 percent chance of showers. Partly sunny, with a high near 78. East southeast wind 6 to 15 mph.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 72. East southeast wind 9 to 11 mph.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 78. Breezy.
Friday Night
Mostly cloudy, with a low around 73.
Saturday
Mostly sunny, with a high near 79. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Port Isabel TX
 26.08°N 97.21°W
5:00 pm CDT Apr 4, 2026
5pm CDT Apr 4, 2026-6pm CDT Apr 11, 2026
 
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