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

81°F

27°C

Humidity 91%
Wind Speed SE 7 mph
Barometer 30.01 in (1016.3 mb)
Dewpoint 78°F (26°C)
Visibility 7.00 mi
Heat Index89°F (32°C)
Last update 12 Jul 1:53 am CDT
Extended Forecast for

4 Miles S Port Isabel TX

  • Overnight

    Overnight: Mostly cloudy, with a low around 81. South southeast wind around 8 mph.

    Low: 81 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of showers between noon and 2pm. Mostly sunny, with a high near 88. South southeast wind 8 to 16 mph. Chance of precipitation is 20%.

    High: 88 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 81. South southeast wind 9 to 15 mph.

    Low: 81 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 88. South southeast wind 8 to 16 mph.

    High: 88 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 81. Southeast wind 8 to 14 mph.

    Low: 81 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 88. Southeast wind 8 to 15 mph.

    High: 88 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 81. Southeast wind 10 to 14 mph.

    Low: 81 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 87. Southeast wind 11 to 16 mph.

    High: 87 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 80. East southeast wind 10 to 14 mph, with gusts as high as 20 mph.

    Low: 80 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 81. South southeast wind around 8 mph.
Sunday
A slight chance of showers between noon and 2pm. Mostly sunny, with a high near 88. South southeast wind 8 to 16 mph. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 81. South southeast wind 9 to 15 mph.
Monday
Mostly sunny, with a high near 88. South southeast wind 8 to 16 mph.
Monday Night
Partly cloudy, with a low around 81. Southeast wind 8 to 14 mph.
Tuesday
Mostly sunny, with a high near 88. Southeast wind 8 to 15 mph.
Tuesday Night
Mostly cloudy, with a low around 81. Southeast wind 10 to 14 mph.
Wednesday
Partly sunny, with a high near 87. Southeast wind 11 to 16 mph.
Wednesday Night
Mostly cloudy, with a low around 80. East southeast wind 10 to 14 mph, with gusts as high as 20 mph.
Thursday
Partly sunny, with a high near 90. Southeast wind 9 to 16 mph.
Thursday Night
Partly cloudy, with a low around 80. Southeast wind 9 to 14 mph.
Friday
Mostly sunny, with a high near 90.
Friday Night
Partly cloudy, with a low around 80.
Saturday
Mostly sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Port Isabel TX
 26.01°N 97.21°W
Last Update:
2:30 am CDT Jul 12, 2026
Forecast Valid:
2am CDT Jul 12, 2026-6pm CDT Jul 18, 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