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

65°F

18°C

Humidity 100%
Wind Speed SE 5 mph
Barometer 30.01 in (1016.1 mb)
Dewpoint 65°F (18°C)
Visibility 8.00 mi
Last update 23 Jan 7:53 am CST
Extended Forecast for

Port Isabel TX

  • Today

    Today: Partly sunny, with a high near 74. Southeast wind 9 to 15 mph, with gusts as high as 20 mph.

    High: 74 °F

    Partly Sunny

  • Tonight

    Tonight: A slight chance of showers before midnight, then a slight chance of showers and thunderstorms between midnight and 3am. Mostly cloudy, with a low around 69. Southeast wind 11 to 14 mph. Chance of precipitation is 20%.

    Low: 69 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers and thunderstorms before 9am, then a slight chance of showers between 9am and noon, then a slight chance of showers and thunderstorms after noon. Patchy fog before 7am. Otherwise, partly sunny, with a high near 76. Breezy, with a south wind 14 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 76 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Cloudy, with a low around 48. Breezy, with a south southeast wind 15 to 20 mph becoming north northwest in the evening. Chance of precipitation is 50%.

    Low: 48 °F

    Chance
    Showers and
    Breezy

  • Sunday

    Sunday: A 20 percent chance of showers before noon. Mostly cloudy, with a high near 52. Breezy, with a north wind 20 to 25 mph.

    High: 52 °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 24 mph.

    Low: 37 °F

    Mostly Cloudy
    and Breezy

  • Monday

    Monday: Mostly cloudy, with a high near 50. Breezy, with a north northwest wind 15 to 24 mph.

    High: 50 °F

    Mostly Cloudy
    and Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 45. North wind 7 to 14 mph.

    Low: 45 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 64. North northeast wind 7 to 11 mph becoming southeast in the afternoon.

    High: 64 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 74. Southeast wind 9 to 15 mph, with gusts as high as 20 mph.
Tonight
A slight chance of showers before midnight, then a slight chance of showers and thunderstorms between midnight and 3am. Mostly cloudy, with a low around 69. Southeast wind 11 to 14 mph. Chance of precipitation is 20%.
Saturday
A slight chance of showers and thunderstorms before 9am, then a slight chance of showers between 9am and noon, then a slight chance of showers and thunderstorms after noon. Patchy fog before 7am. Otherwise, partly sunny, with a high near 76. Breezy, with a south wind 14 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Saturday Night
A chance of showers and thunderstorms. Cloudy, with a low around 48. Breezy, with a south southeast wind 15 to 20 mph becoming north northwest in the evening. Chance of precipitation is 50%.
Sunday
A 20 percent chance of showers before noon. Mostly cloudy, with a high near 52. Breezy, with a north wind 20 to 25 mph.
Sunday Night
Mostly cloudy, with a low around 37. Breezy, with a north wind around 24 mph.
Monday
Mostly cloudy, with a high near 50. Breezy, with a north northwest wind 15 to 24 mph.
Monday Night
Mostly cloudy, with a low around 45. North wind 7 to 14 mph.
Tuesday
Partly sunny, with a high near 64. North northeast wind 7 to 11 mph becoming southeast in the afternoon.
Tuesday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 57. Southeast wind 6 to 10 mph becoming west after midnight.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 66. West wind 6 to 14 mph becoming north northeast in the afternoon.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 54.
Thursday
A 20 percent chance of showers. Partly sunny, with a high near 64.
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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:
8:30 am CST Jan 23, 2026
Forecast Valid:
8am CST Jan 23, 2026-6pm CST Jan 29, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation