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
- Quick Summary of Starr County Damaging Wind, Hail, and Flash Flooding March 7-8, 2026
Current conditions at
Port Isabel, Port Isabel-Cameron County Airport (KPIL)
Lat: 26.16°NLon: 97.34°WElev: 16ft.
Mostly Cloudy
83°F
28°C
| Humidity | 59% |
| Wind Speed | SE 18 G 28 mph |
| Barometer | 30.08 in (1018.4 mb) |
| Dewpoint | 67°F (19°C) |
| Visibility | 10.00 mi |
| Heat Index | 86°F (30°C) |
| Last update | 25 Mar 11:53 am CDT |
Extended Forecast for
Port Isabel TX
This Afternoon
High: 79 °F
Sunny and
BreezyTonight
Low: 70 °F
Mostly Clear
Thursday
High: 78 °F
Partly Sunny
then Sunny
and BreezyThursday Night
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
Partly Cloudy
Sunday
High: 77 °F
Mostly Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 79. Breezy, with a southeast wind 16 to 18 mph.
Tonight
Mostly clear, with a low around 70. Southeast wind 13 to 15 mph, with gusts as high as 20 mph.
Thursday
Mostly cloudy through mid morning, then gradual clearing, with a high near 78. Breezy, with a south southeast wind 11 to 18 mph, with gusts as high as 23 mph.
Thursday Night
Mostly clear, with a low around 70. South southeast wind 14 to 16 mph.
Friday
Sunny, with a high near 79. South southeast wind 14 to 16 mph, with gusts as high as 21 mph.
Friday Night
Mostly clear, with a low around 70. East southeast wind 6 to 14 mph.
Saturday
A 30 percent chance of showers, mainly before 1pm. Sunny, with a high near 76. Northeast wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 69. East wind 8 to 15 mph.
Sunday
Mostly sunny, with a high near 77. East wind 6 to 15 mph.
Sunday Night
Mostly clear, with a low around 70. East wind 9 to 13 mph.
Monday
Mostly sunny, with a high near 78. Southeast wind 7 to 16 mph.
Monday Night
Partly cloudy, with a low around 70.
Tuesday
Sunny, with a high near 79. 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
26.08°N 97.21°W
26.08°N 97.21°W
12:18 pm CDT Mar 25, 2026
12pm CDT Mar 25, 2026-6pm CDT Mar 31, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
