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

66°F

19°C

Humidity 93%
Wind Speed SE 6 mph
Barometer 29.93 in (1013.4 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 3 Dec 7:53 pm CST
Extended Forecast for

10 Miles E Port Mansfield TX

  • Tonight

    Tonight: A slight chance of showers before 1am, then a slight chance of showers and thunderstorms between 1am and 2am. Mostly cloudy, with a low around 69. South wind around 8 mph. Chance of precipitation is 20%.

    Low: 69 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 1pm, then a chance of showers and thunderstorms after 1pm. Cloudy, with a high near 72. South wind 7 to 16 mph becoming north in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 60%.

    High: 72 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 56. North wind 14 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    Low: 56 °F

    Showers
    Likely

  • Friday

    Friday: A 40 percent chance of showers, mainly before noon. Cloudy, with a high near 65. North wind 10 to 14 mph, with gusts as high as 20 mph.

    High: 65 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers. Cloudy, with a low around 59. North wind 6 to 9 mph.

    Low: 59 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly cloudy, with a high near 72. North wind 7 to 9 mph.

    High: 72 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 64. Northeast wind 5 to 7 mph becoming south southwest after midnight.

    Low: 64 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 77. North northeast wind 7 to 13 mph.

    High: 77 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 57. North wind around 11 mph.

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of showers before 1am, then a slight chance of showers and thunderstorms between 1am and 2am. Mostly cloudy, with a low around 69. South wind around 8 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 1pm, then a chance of showers and thunderstorms after 1pm. Cloudy, with a high near 72. South wind 7 to 16 mph becoming north in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 56. North wind 14 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Friday
A 40 percent chance of showers, mainly before noon. Cloudy, with a high near 65. North wind 10 to 14 mph, with gusts as high as 20 mph.
Friday Night
A 50 percent chance of showers. Cloudy, with a low around 59. North wind 6 to 9 mph.
Saturday
Mostly cloudy, with a high near 72. North wind 7 to 9 mph.
Saturday Night
Mostly cloudy, with a low around 64. Northeast wind 5 to 7 mph becoming south southwest after midnight.
Sunday
Mostly sunny, with a high near 77. North northeast wind 7 to 13 mph.
Sunday Night
Partly cloudy, with a low around 57. North wind around 11 mph.
Monday
Mostly sunny, with a high near 68. North wind 10 to 13 mph.
Monday Night
Partly cloudy, with a low around 58. East wind 6 to 9 mph.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
Mostly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles E Port Mansfield TX
 26.56°N 97.27°W
Last Update:
8:30 pm CST Dec 3, 2025
Forecast Valid:
8pm CST Dec 3, 2025-6pm CST Dec 10, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation