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 69%
Wind Speed NW 7 mph
Barometer 29.95 in (1014.2 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 4 Oct 9:53 am CDT
Extended Forecast for

6 Miles SE Port Isabel TX

  • Today

    Today: A 20 percent chance of showers and thunderstorms before 2pm. Sunny, with a high near 87. North northeast wind 11 to 14 mph.

    High: 87 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 76. Northeast wind 5 to 10 mph becoming light east northeast after midnight.

    Low: 76 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 88. Calm wind becoming northeast 5 to 9 mph in the afternoon.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 77. East wind 5 to 8 mph becoming light and variable after midnight.

    Low: 77 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 89. Light south wind becoming east southeast 5 to 10 mph in the morning.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 78. Southeast wind 5 to 9 mph.

    Low: 78 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. Light east southeast wind becoming east 8 to 13 mph in the morning.

    High: 89 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 77. East wind 6 to 10 mph. Chance of precipitation is 40%.

    Low: 77 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Northeast wind 6 to 15 mph. Chance of precipitation is 60%.

    High: 88 °F

    Showers
    Likely

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms before 2pm. Sunny, with a high near 87. North northeast wind 11 to 14 mph.
Tonight
Mostly clear, with a low around 76. Northeast wind 5 to 10 mph becoming light east northeast after midnight.
Sunday
Sunny, with a high near 88. Calm wind becoming northeast 5 to 9 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 77. East wind 5 to 8 mph becoming light and variable after midnight.
Monday
Sunny, with a high near 89. Light south wind becoming east southeast 5 to 10 mph in the morning.
Monday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 78. Southeast wind 5 to 9 mph.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. Light east southeast wind becoming east 8 to 13 mph in the morning.
Tuesday Night
A slight chance of showers, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 77. East wind 6 to 10 mph. Chance of precipitation is 40%.
Wednesday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Northeast wind 6 to 15 mph. Chance of precipitation is 60%.
Wednesday Night
A 50 percent chance of showers. Partly cloudy, with a low around 78. Northeast wind 7 to 13 mph.
Thursday
Showers and thunderstorms likely. Mostly sunny, with a high near 87. North northeast wind 9 to 16 mph. Chance of precipitation is 60%.
Thursday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77.
Friday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SE Port Isabel TX
 25.99°N 97.16°W
Last Update:
10:18 am CDT Oct 4, 2025
Forecast Valid:
10am CDT Oct 4, 2025-6pm CDT Oct 10, 2025
 
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Additional Resources

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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