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- Understand Spring and Summer Hazardous Weather in the RGV with the 2026 Guide
Current conditions at
Port Isabel, Port Isabel-Cameron County Airport (KPIL)
Lat: 26.16°NLon: 97.34°WElev: 16ft.
Mostly Cloudy
71°F
22°C
| Humidity | 81% |
| Wind Speed | E 10 mph |
| Barometer | 30.19 in (1022.4 mb) |
| Dewpoint | 65°F (18°C) |
| Visibility | 10.00 mi |
| Last update | 29 Mar 3:53 am CDT |
Extended Forecast for
Port Isabel TX
Today
High: 79 °F
Slight Chance
Showers then
SunnyTonight
Low: 69 °F
Partly Cloudy
Monday
High: 81 °F
Mostly Sunny
Monday Night
Low: 70 °F
Partly Cloudy
Tuesday
High: 82 °F
Slight Chance
Showers and
BreezyTuesday Night
Low: 71 °F
Partly Cloudy
Wednesday
High: 82 °F
Sunny
Wednesday Night
Low: 71 °F
Partly Cloudy
Thursday
High: 83 °F
Mostly Sunny
and Breezy
Detailed Forecast
Today
A slight chance of showers between 7am and 11am. Mostly sunny, with a high near 79. East southeast wind 6 to 15 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 69. South southeast wind 10 to 13 mph.
Monday
Mostly sunny, with a high near 81. Southeast wind 9 to 17 mph.
Monday Night
Partly cloudy, with a low around 70. Southeast wind 11 to 14 mph, with gusts as high as 20 mph.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 82. Breezy, with a south southeast wind 10 to 18 mph, with gusts as high as 23 mph.
Tuesday Night
Partly cloudy, with a low around 71. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 82. South southeast wind 10 to 17 mph, with gusts as high as 22 mph.
Wednesday Night
Partly cloudy, with a low around 71. Southeast wind 13 to 15 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 83. Breezy, with a south southeast wind 14 to 21 mph.
Thursday Night
Mostly cloudy, with a low around 72. Southeast wind 14 to 17 mph, with gusts as high as 22 mph.
Friday
Mostly sunny, with a high near 83. Breezy, with a south southeast wind 14 to 20 mph.
Friday Night
Partly cloudy, with a low around 71.
Saturday
Mostly sunny, with a high near 83. Breezy.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Port Isabel TX
26.06°N 97.21°W
26.06°N 97.21°W
4:30 am CDT Mar 29, 2026
4am CDT Mar 29, 2026-6pm CDT Apr 4, 2026
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