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- March-May (Spring 2026) Outlook: Warmer than normal temperatures are favored to continue; precipitation is a toss-up; drought, wildfire potential, water supply, and heat risk concerns are in focus
- 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.
Fair
70°F
21°C
| Humidity | 87% |
| Wind Speed | SE 7 mph |
| Barometer | 30.01 in (1016.0 mb) |
| Dewpoint | 66°F (19°C) |
| Visibility | 10.00 mi |
| Last update | 26 Mar 4:53 am CDT |
Extended Forecast for
Port Isabel TX
Today
High: 78 °F
Mostly Sunny
then Sunny
and BreezyTonight
Low: 70 °F
Mostly Clear
Friday
High: 79 °F
Sunny
Friday Night
Low: 70 °F
Mostly Clear
Saturday
High: 76 °F
Chance
ShowersSaturday Night
Low: 69 °F
Mostly Clear
Sunday
High: 77 °F
Mostly Sunny
Sunday Night
Low: 70 °F
Partly Cloudy
Monday
High: 78 °F
Mostly Sunny
Detailed Forecast
Today
Partly sunny, then gradually becoming sunny, with a high near 78. Breezy, with a southeast wind 11 to 20 mph.
Tonight
Mostly clear, with a low around 70. South southeast wind 15 to 17 mph.
Friday
Sunny, with a high near 79. South southeast wind 14 to 17 mph.
Friday Night
Mostly clear, with a low around 70. East southeast wind 6 to 14 mph.
Saturday
A 40 percent chance of showers. Sunny, with a high near 76. Northeast wind 6 to 16 mph.
Saturday Night
Mostly clear, with a low around 69. East wind 7 to 14 mph.
Sunday
Mostly sunny, with a high near 77. East southeast wind 6 to 15 mph.
Sunday Night
Partly cloudy, with a low around 70. East southeast wind 10 to 14 mph.
Monday
Mostly sunny, with a high near 78. Southeast wind 8 to 17 mph.
Monday Night
Mostly cloudy, with a low around 70. South southeast wind 13 to 15 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 79. Breezy, with a south southeast wind 13 to 18 mph, with gusts as high as 23 mph.
Tuesday Night
Partly cloudy, with a low around 71.
Wednesday
Sunny, with a high near 80. Breezy.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Port Isabel TX
26.08°N 97.21°W
26.08°N 97.21°W
5:30 am CDT Mar 26, 2026
5am CDT Mar 26, 2026-6pm CDT Apr 1, 2026
Additional Resources
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