News Headlines
- New: August-October Outlook for the RGV - Continued Hot and Leaning Dry, but Rainfall Prediction is a Wild Card
- Know Before You Go: A Video Guide to Beach (Surf) Safety on the Gulf Coast
- Check Out the 2025 Rio Grande Valley/Deep South Texas Hurricane Guide
- Guia de Huracanes 2025 del Valle del Rio Grande/Extremo Sur de Texas
Current conditions at
Port Isabel, Port Isabel-Cameron County Airport (KPIL)
Lat: 26.16°NLon: 97.34°WElev: 16ft.
Fair
84°F
29°C
| Humidity | 77% |
| Wind Speed | SE 9 mph |
| Barometer | 30.06 in (1017.7 mb) |
| Dewpoint | 76°F (24°C) |
| Visibility | 10.00 mi |
| Heat Index | 93°F (34°C) |
| Last update | 5 Aug 8:53 pm CDT |
Extended Forecast for
Port Isabel TX
Tonight
Low: 80 °F
Mostly Clear
Wednesday
High: 88 °F
Sunny
Wednesday Night
Low: 81 °F
Mostly Clear
Thursday
High: 89 °F
Sunny
Thursday Night
Low: 80 °F
Mostly Clear
Friday
High: 89 °F
Sunny
Friday Night
Low: 80 °F
Clear
Saturday
High: 88 °F
Sunny
Saturday Night
Low: 80 °F
Clear
Detailed Forecast
Tonight
Mostly clear, with a low around 80. South wind 6 to 8 mph.
Wednesday
Sunny, with a high near 88. East southeast wind 6 to 13 mph.
Wednesday Night
Mostly clear, with a low around 81. Southeast wind 7 to 11 mph.
Thursday
Sunny, with a high near 89. South southeast wind 6 to 13 mph.
Thursday Night
Mostly clear, with a low around 80. Southeast wind 8 to 10 mph.
Friday
Sunny, with a high near 89. East southeast wind 6 to 13 mph.
Friday Night
Clear, with a low around 80. East southeast wind 9 to 11 mph.
Saturday
Sunny, with a high near 88. East southeast wind 7 to 14 mph.
Saturday Night
Clear, with a low around 80. East southeast wind 9 to 13 mph.
Sunday
Sunny, with a high near 88. East southeast wind 7 to 14 mph.
Sunday Night
Mostly clear, with a low around 81. East southeast wind 8 to 11 mph.
Monday
Sunny, with a high near 88.
Monday Night
Mostly clear, with a low around 81.
Tuesday
Sunny, with a high near 88.
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
9:00 pm CDT Aug 5, 2025
9pm CDT Aug 5, 2025-6pm CDT Aug 12, 2025
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
