National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

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

Lat: 26.16°NLon: 97.34°WElev: 16ft.

Overcast

76°F

24°C

Humidity 74%
Wind Speed SE 16 G 25 mph
Barometer 29.92 in (1013.0 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 23 Jan 4:53 pm CST
Extended Forecast for

Port Isabel TX

Freeze Watch January 25, 09:00pm until January 26, 10:00am
Extreme Cold Watch January 26, 03:00am until January 26, 08:00am
Click here for hazard details and duration
Freeze Watch
Extreme Cold Watch

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 10pm and 4am. Mostly cloudy, with a low around 69. Southeast wind 11 to 14 mph. Chance of precipitation is 20%.

    Low: 69 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers after 5pm. Patchy fog before 7am. Otherwise, partly sunny, with a high near 77. Breezy, with a south southeast wind 14 to 20 mph, with gusts as high as 25 mph.

    High: 77 °F

    Breezy.
    Patchy Fog
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers, with thunderstorms also possible after 9pm. Mostly cloudy, with a low around 47. East southeast wind around 16 mph becoming west in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 40%.

    Low: 47 °F

    Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers before noon. Cloudy, then gradually becoming mostly sunny, with a high near 54. Breezy, with a north northwest wind 17 to 23 mph, with gusts as high as 29 mph.

    High: 54 °F

    Breezy.
    Slight Chance
    Showers then
    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 37. Breezy, with a north wind around 22 mph, with gusts as high as 28 mph.

    Low: 37 °F

    Mostly Cloudy
    and Breezy

  • Monday

    Monday: Partly sunny, with a high near 49. Breezy, with a north northwest wind 18 to 23 mph, with gusts as high as 28 mph.

    High: 49 °F

    Partly Sunny
    and Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 43. North wind 10 to 17 mph.

    Low: 43 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 61. North wind around 11 mph becoming east southeast in the afternoon.

    High: 61 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 55. East southeast wind 7 to 9 mph.

    Low: 55 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms between 10pm and 4am. Mostly cloudy, with a low around 69. Southeast wind 11 to 14 mph. Chance of precipitation is 20%.
Saturday
A 20 percent chance of showers after 5pm. Patchy fog before 7am. Otherwise, partly sunny, with a high near 77. Breezy, with a south southeast wind 14 to 20 mph, with gusts as high as 25 mph.
Saturday Night
A chance of showers, with thunderstorms also possible after 9pm. Mostly cloudy, with a low around 47. East southeast wind around 16 mph becoming west in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 40%.
Sunday
A 20 percent chance of showers before noon. Cloudy, then gradually becoming mostly sunny, with a high near 54. Breezy, with a north northwest wind 17 to 23 mph, with gusts as high as 29 mph.
Sunday Night
Mostly cloudy, with a low around 37. Breezy, with a north wind around 22 mph, with gusts as high as 28 mph.
Monday
Partly sunny, with a high near 49. Breezy, with a north northwest wind 18 to 23 mph, with gusts as high as 28 mph.
Monday Night
Mostly cloudy, with a low around 43. North wind 10 to 17 mph.
Tuesday
Partly sunny, with a high near 61. North wind around 11 mph becoming east southeast in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 55. East southeast wind 7 to 9 mph.
Wednesday
A 30 percent chance of showers. Mostly cloudy, with a high near 64. North wind 7 to 14 mph.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 55. North wind 10 to 13 mph.
Thursday
Partly sunny, with a high near 64.
Thursday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 58.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 67. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Port Isabel TX
 26.08°N 97.21°W
Last Update:
5:33 pm CST Jan 23, 2026
Forecast Valid:
5pm CST Jan 23, 2026-6pm CST Jan 30, 2026
 
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