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.

Mostly Cloudy

82°F

28°C

Humidity 74%
Wind Speed E 17 mph
Barometer 29.88 in (1011.7 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 18 Apr 2:53 pm CDT
Extended Forecast for

Port Isabel-Cameron County Airport TX

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 86. East southeast wind around 17 mph, with gusts as high as 22 mph.

    High: 86 °F

    Mostly Cloudy

  • Tonight

    Tonight: A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 66. East wind 8 to 14 mph becoming north after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 60%.

    Low: 66 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly before noon, then showers likely and possibly a thunderstorm after 1pm. Cloudy, with a high near 75. Breezy, with a northeast wind 17 to 21 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 75 °F

    Showers
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 65. Northeast wind 8 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.

    Low: 65 °F

    Showers
    Likely

  • Monday

    Monday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 79. East wind 8 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.

    High: 79 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69. East wind 8 to 14 mph, with gusts as high as 20 mph.

    Low: 69 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. Southeast wind 7 to 15 mph, with gusts as high as 20 mph.

    High: 82 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 69. Southeast wind 7 to 13 mph.

    Low: 69 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 84. Southeast wind 6 to 16 mph.

    High: 84 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 86. East southeast wind around 17 mph, with gusts as high as 22 mph.
Tonight
A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 66. East wind 8 to 14 mph becoming north after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 60%.
Sunday
Showers and thunderstorms likely, mainly before noon, then showers likely and possibly a thunderstorm after 1pm. Cloudy, with a high near 75. Breezy, with a northeast wind 17 to 21 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 65. Northeast wind 8 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Monday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 79. East wind 8 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69. East wind 8 to 14 mph, with gusts as high as 20 mph.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. Southeast wind 7 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 69. Southeast wind 7 to 13 mph.
Wednesday
Mostly sunny, with a high near 84. Southeast wind 6 to 16 mph.
Wednesday Night
Mostly clear, with a low around 70. East southeast wind 9 to 13 mph.
Thursday
Mostly sunny, with a high near 86. Breezy, with a southeast wind 9 to 18 mph, with gusts as high as 23 mph.
Thursday Night
Partly cloudy, with a low around 73.
Friday
Partly sunny, with a high near 87. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Port Isabel-Cameron County Airport TX
 26.17°N 97.34°W
Last Update:
3:00 pm CDT Apr 18, 2026
Forecast Valid:
3pm CDT Apr 18, 2026-6pm CDT Apr 24, 2026
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation