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

61°F

16°C

Humidity 90%
Wind Speed S 3 mph
Barometer 29.99 in (1015.6 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 16 Jan 11:53 pm CST
Extended Forecast for

Port Isabel TX

  • Overnight

    Overnight: Mostly cloudy, with a low around 62. South wind 8 to 16 mph becoming north.

    Low: 62 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 50 percent chance of showers after noon. Mostly cloudy, with a high near 66. Breezy, with a north northeast wind 18 to 22 mph, with gusts as high as 28 mph.

    High: 66 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers before 9pm. Cloudy during the early evening, then gradual clearing, with a low around 54. Breezy, with a north northeast wind 21 to 25 mph, with gusts as high as 31 mph.

    Low: 54 °F

    Breezy.
    Chance
    Showers then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 61. Breezy, with a north wind 8 to 18 mph, with gusts as high as 23 mph.

    High: 61 °F

    Sunny and
    Breezy then
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 53. Northeast wind around 7 mph becoming south southeast after midnight.

    Low: 53 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 68. Southeast wind 7 to 14 mph.

    High: 68 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 62. East southeast wind 10 to 13 mph.

    Low: 62 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers. Mostly cloudy, with a high near 70. East wind 10 to 16 mph.

    High: 70 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers. Cloudy, with a low around 64. East southeast wind 11 to 14 mph.

    Low: 64 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 62. South wind 8 to 16 mph becoming north.
Saturday
A 50 percent chance of showers after noon. Mostly cloudy, with a high near 66. Breezy, with a north northeast wind 18 to 22 mph, with gusts as high as 28 mph.
Saturday Night
A 30 percent chance of showers before 9pm. Cloudy during the early evening, then gradual clearing, with a low around 54. Breezy, with a north northeast wind 21 to 25 mph, with gusts as high as 31 mph.
Sunday
Sunny, with a high near 61. Breezy, with a north wind 8 to 18 mph, with gusts as high as 23 mph.
Sunday Night
Mostly clear, with a low around 53. Northeast wind around 7 mph becoming south southeast after midnight.
M.L.King Day
Mostly sunny, with a high near 68. Southeast wind 7 to 14 mph.
Monday Night
Mostly cloudy, with a low around 62. East southeast wind 10 to 13 mph.
Tuesday
A 20 percent chance of showers. Mostly cloudy, with a high near 70. East wind 10 to 16 mph.
Tuesday Night
A 40 percent chance of showers. Cloudy, with a low around 64. East southeast wind 11 to 14 mph.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 72. South wind 10 to 14 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64. South wind 8 to 11 mph becoming west after midnight.
Thursday
Mostly sunny, with a high near 72.
Thursday Night
Mostly cloudy, with a low around 62.
Friday
Partly sunny, with a high near 72.
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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:
12:30 am CST Jan 17, 2026
Forecast Valid:
12am CST Jan 17, 2026-6pm CST Jan 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation