Current conditions at

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

Lat: 26.16°NLon: 97.34°WElev: 16ft.

Mostly Cloudy

92°F

33°C

Humidity 62%
Wind Speed SE 15 G 24 mph
Barometer 30.01 in (1016.1 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index106°F (41°C)
Last update 14 Sep 12:53 pm CDT
Extended Forecast for

4 Miles SSW Port Isabel TX

Heat Advisory until September 14, 06:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until September 14, 06:00pm

    NOW until 6:00pm Mon

    Heat Advisory

  • This Afternoon

    High: 90 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 82. Southeast wind 10 to 17 mph.

    Low: 82 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91. Southeast wind 9 to 17 mph.

    High: 91 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 81. Southeast wind 5 to 15 mph.

    Low: 81 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms between 10am and 1pm.  Mostly sunny, with a high near 89. Light east southeast wind becoming east 9 to 14 mph in the morning.  Chance of precipitation is 10%.

    High: 89 °F

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 80. East wind 6 to 11 mph becoming light  after midnight.

    Low: 80 °F

    Mostly Clear
    then Chance
    T-storms

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 88. Light northeast wind increasing to 9 to 14 mph in the morning.  Chance of precipitation is 60%.

    High: 88 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 79. East northeast wind 5 to 10 mph becoming light east  after midnight.

    Low: 79 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 90. Breezy, with a southeast wind around 18 mph.
Tonight
Mostly clear, with a low around 82. Southeast wind 10 to 17 mph.
Tuesday
Sunny, with a high near 91. Southeast wind 9 to 17 mph.
Tuesday Night
Mostly clear, with a low around 81. Southeast wind 5 to 15 mph.
Wednesday
A slight chance of showers and thunderstorms between 10am and 1pm. Mostly sunny, with a high near 89. Light east southeast wind becoming east 9 to 14 mph in the morning. Chance of precipitation is 10%.
Wednesday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 80. East wind 6 to 11 mph becoming light after midnight.
Thursday
Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Light northeast wind increasing to 9 to 14 mph in the morning. Chance of precipitation is 60%.
Thursday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 79. East northeast wind 5 to 10 mph becoming light east after midnight.
Friday
A 40 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 92. Light east northeast wind increasing to 9 to 14 mph in the morning.
Friday Night
Mostly clear, with a low around 78. East northeast wind 6 to 11 mph becoming light east in the evening.
Saturday
Mostly sunny, with a high near 93. Light and variable wind becoming east northeast 6 to 11 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 78.
Sunday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 94.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Port Isabel TX
 26.01°N 97.24°W
1:00 pm CDT Sep 14, 2026
1pm CDT Sep 14, 2026-6pm CDT Sep 20, 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