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.

Overcast

56°F

13°C

Humidity 75%
Wind Speed NW 8 mph
Barometer 30.05 in (1017.5 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 2 Dec 5:53 pm CST
Extended Forecast for

Port Isabel TX

  • Tonight

    Tonight: Mostly cloudy, with a low around 61. North northeast wind 5 to 9 mph becoming light and variable.

    Low: 61 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 4pm, then a slight chance of showers after 5pm. Mostly cloudy, with a high near 76. East wind 7 to 14 mph becoming south in the morning. Chance of precipitation is 30%.

    High: 76 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers before 9pm, then a slight chance of showers and thunderstorms between 9pm and 3am, then a slight chance of showers after 3am. Mostly cloudy, with a low around 72. South wind 9 to 11 mph. Chance of precipitation is 20%.

    Low: 72 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then showers likely after 3pm. Cloudy, with a high near 76. South wind 9 to 16 mph becoming north in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 60%.

    High: 76 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely before midnight, then showers likely and possibly a thunderstorm between midnight and 3am, then showers likely after 3am. Cloudy, with a low around 58. Breezy, with a north wind 16 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.

    Low: 58 °F

    Showers
    Likely and
    Breezy

  • Friday

    Friday: A 30 percent chance of showers before noon. Cloudy, with a high near 63. North northwest wind 11 to 15 mph, with gusts as high as 20 mph.

    High: 63 °F

    Chance
    Showers then
    Cloudy

  • Friday Night

    Friday Night: A 40 percent chance of showers. Cloudy, with a low around 60. North wind around 10 mph.

    Low: 60 °F

    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before noon. Mostly cloudy, with a high near 72. North wind 10 to 13 mph.

    High: 72 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 64. North northeast wind 6 to 9 mph becoming west northwest after midnight.

    Low: 64 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 61. North northeast wind 5 to 9 mph becoming light and variable.
Wednesday
A chance of showers and thunderstorms before 4pm, then a slight chance of showers after 5pm. Mostly cloudy, with a high near 76. East wind 7 to 14 mph becoming south in the morning. Chance of precipitation is 30%.
Wednesday Night
A slight chance of showers before 9pm, then a slight chance of showers and thunderstorms between 9pm and 3am, then a slight chance of showers after 3am. Mostly cloudy, with a low around 72. South wind 9 to 11 mph. Chance of precipitation is 20%.
Thursday
A chance of showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then showers likely after 3pm. Cloudy, with a high near 76. South wind 9 to 16 mph becoming north in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 60%.
Thursday Night
Showers likely before midnight, then showers likely and possibly a thunderstorm between midnight and 3am, then showers likely after 3am. Cloudy, with a low around 58. Breezy, with a north wind 16 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.
Friday
A 30 percent chance of showers before noon. Cloudy, with a high near 63. North northwest wind 11 to 15 mph, with gusts as high as 20 mph.
Friday Night
A 40 percent chance of showers. Cloudy, with a low around 60. North wind around 10 mph.
Saturday
A 20 percent chance of showers before noon. Mostly cloudy, with a high near 72. North wind 10 to 13 mph.
Saturday Night
Mostly cloudy, with a low around 64. North northeast wind 6 to 9 mph becoming west northwest after midnight.
Sunday
Mostly sunny, with a high near 75. Northwest wind 6 to 9 mph becoming east northeast in the afternoon.
Sunday Night
Partly cloudy, with a low around 66. East northeast wind 7 to 9 mph.
Monday
Partly sunny, with a high near 73.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 67.
Tuesday
A 20 percent chance of showers. Mostly cloudy, with a high near 73.
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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:
6:00 pm CST Dec 2, 2025
Forecast Valid:
6pm CST Dec 2, 2025-6pm CST Dec 9, 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