News Headlines
- The Potential for Wildfire Spread Remains Acute through March. Stop Wildfires Before they Start with Smokey Bear
- El riesgo de propagación de incendios forestales aumenta durante marzo. Revise estas medidas de prevención.
- Drought is Now Severe (Level 2 of 4) to Exceptional (Level 4). Track Its Coverage Here.
- 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
67°F
19°C
| Humidity | 97% |
| Wind Speed | N 7 mph |
| Barometer | 30.28 in (1025.4 mb) |
| Dewpoint | 66°F (19°C) |
| Visibility | 9.00 mi |
| Last update | 28 Mar 7:53 am CDT |
Extended Forecast for
Port Isabel TX
Today
High: 78 °F
Chance
ShowersTonight
Low: 68 °F
Chance
Showers then
Partly CloudySunday
High: 80 °F
Chance
ShowersSunday Night
Low: 69 °F
Partly Cloudy
Monday
High: 81 °F
Mostly Sunny
Monday Night
Low: 70 °F
Partly Cloudy
Tuesday
High: 82 °F
Mostly Sunny
then Mostly
Sunny and
BreezyTuesday Night
Low: 71 °F
Partly Cloudy
Wednesday
High: 83 °F
Mostly Sunny
then Mostly
Sunny and
Breezy
Detailed Forecast
Today
A chance of showers before 11am, then a slight chance of showers after 4pm. Mostly sunny, with a high near 78. North wind 6 to 16 mph. Chance of precipitation is 30%.
Tonight
A 30 percent chance of showers, mainly before 9pm. Partly cloudy, with a low around 68. East northeast wind 6 to 13 mph.
Sunday
A 30 percent chance of showers, mainly between 7am and 1pm. Mostly sunny, with a high near 80. East southeast wind 6 to 14 mph.
Sunday Night
Partly cloudy, with a low around 69. East southeast wind 10 to 13 mph.
Monday
Mostly sunny, with a high near 81. Southeast wind 9 to 17 mph, with gusts as high as 22 mph.
Monday Night
Partly cloudy, with a low around 70. Southeast wind 11 to 15 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 82. Breezy, with a south southeast wind 11 to 20 mph, with gusts as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 71. South southeast wind 11 to 16 mph, with gusts as high as 21 mph.
Wednesday
Mostly sunny, with a high near 83. Breezy, with a south southeast wind 11 to 18 mph, with gusts as high as 24 mph.
Wednesday Night
Partly cloudy, with a low around 71. Southeast wind 11 to 15 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 83. Breezy, with a south southeast wind 13 to 20 mph.
Thursday Night
Mostly cloudy, with a low around 71.
Friday
Mostly sunny, with a high near 83. Breezy.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Port Isabel TX
26.06°N 97.21°W
26.06°N 97.21°W
8:00 am CDT Mar 28, 2026
8am CDT Mar 28, 2026-6pm CDT Apr 3, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
