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

90°F

32°C

Humidity 59%
Wind Speed E 18 mph
Barometer 29.87 in (1011.3 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 6 Oct 2:53 pm CDT
Extended Forecast for

Port Isabel TX

  • This Afternoon

    This Afternoon: Sunny, with a high near 88. East southeast wind around 11 mph.

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 80. Southeast wind 8 to 10 mph.

    Low: 80 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms, mainly after 9am. Mostly sunny, with a high near 87. East wind 6 to 13 mph.

    High: 87 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 80. East wind 8 to 11 mph.

    Low: 80 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. Northeast wind 9 to 16 mph.

    High: 86 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 7pm, then a chance of showers between 7pm and 4am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 80. Northeast wind 11 to 14 mph. Chance of precipitation is 40%.

    Low: 80 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 7am, then showers likely between 7am and 10am, then showers likely and possibly a thunderstorm after 10am. Mostly sunny, with a high near 85. Breezy, with a northeast wind 13 to 18 mph. Chance of precipitation is 60%.

    High: 85 °F

    Showers
    Likely and
    Breezy

  • Thursday Night

    Thursday Night: A 40 percent chance of showers. Partly cloudy, with a low around 79. East northeast wind 13 to 15 mph, with gusts as high as 20 mph.

    Low: 79 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms. Mostly sunny, with a high near 85. Northeast wind 14 to 17 mph. Chance of precipitation is 40%.

    High: 85 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 88. East southeast wind around 11 mph.
Tonight
Partly cloudy, with a low around 80. Southeast wind 8 to 10 mph.
Tuesday
A 50 percent chance of showers and thunderstorms, mainly after 9am. Mostly sunny, with a high near 87. East wind 6 to 13 mph.
Tuesday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 80. East wind 8 to 11 mph.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. Northeast wind 9 to 16 mph.
Wednesday Night
A chance of showers and thunderstorms before 7pm, then a chance of showers between 7pm and 4am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 80. Northeast wind 11 to 14 mph. Chance of precipitation is 40%.
Thursday
Showers likely and possibly a thunderstorm before 7am, then showers likely between 7am and 10am, then showers likely and possibly a thunderstorm after 10am. Mostly sunny, with a high near 85. Breezy, with a northeast wind 13 to 18 mph. Chance of precipitation is 60%.
Thursday Night
A 40 percent chance of showers. Partly cloudy, with a low around 79. East northeast wind 13 to 15 mph, with gusts as high as 20 mph.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 85. Northeast wind 14 to 17 mph. Chance of precipitation is 40%.
Friday Night
Mostly clear, with a low around 77. East northeast wind 9 to 14 mph.
Saturday
Sunny, with a high near 84. East northeast wind 9 to 13 mph.
Saturday Night
Mostly clear, with a low around 77.
Sunday
Sunny, with a high near 84.
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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:
3:15 pm CDT Oct 6, 2025
Forecast Valid:
3pm CDT Oct 6, 2025-6pm CDT Oct 12, 2025
 
Forecast Discussion
 
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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