News Headlines
- New: Spring (March to May) 2025 RGV Weather Summary: A State of Heat and Drought, Broken by a Devastating Flood
- New: Summer 2025 Outlook - The Heat Is On, Water Resource Issues May Worsen, and Limited Opportunities for Tropical Rains
- New! The 2025 Rio Grande Valley/Deep South Texas Hurricane Guide is Here
- Nuevo! Guia de Huracanes 2025 del Valle del Rio Grande/Extremo Sur de Texas es Aqui
- Take Advantage of May (and June) to Be Ready for the 2025 Atlantic Hurricane Season!
Current conditions at
Port Isabel, Port Isabel-Cameron County Airport (KPIL)
Lat: 26.16°NLon: 97.34°WElev: 16ft.
Partly Cloudy
75°F
24°C
| Humidity | NA |
| Wind Speed | S 12 mph |
| Barometer | 29.87 in (1011.5 mb) |
| Dewpoint | N/A |
| Visibility | 10.00 mi |
| Last update | 12 Jun 2:53 am CDT |
Extended Forecast for
Port Isabel TX
Overnight
Low: 82 °F
Mostly Cloudy
Thursday
High: 88 °F
Becoming
Sunny and
BreezyThursday Night
Low: 82 °F
Increasing
CloudsFriday
High: 88 °F
Mostly Sunny
Friday Night
Low: 81 °F
Partly Cloudy
then Slight
Chance
T-stormsSaturday
High: 88 °F
Slight Chance
T-stormsSaturday Night
Low: 81 °F
Mostly Clear
then Slight
Chance
T-stormsSunday
High: 88 °F
Chance
ShowersSunday Night
Low: 80 °F
Mostly Clear
then Slight
Chance
T-storms
Detailed Forecast
Overnight
Mostly cloudy, with a low around 82. South southeast wind around 15 mph, with gusts as high as 21 mph.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 88. Breezy, with a south southeast wind 14 to 18 mph, with gusts as high as 23 mph.
Thursday Night
Increasing clouds, with a low around 82. Southeast wind around 14 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 88. South southeast wind 14 to 17 mph.
Friday Night
A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 81. Southeast wind around 14 mph. Chance of precipitation is 20%.
Saturday
A slight chance of thunderstorms before 1pm, then a slight chance of showers and thunderstorms between 1pm and 4pm, then a slight chance of showers after 4pm. Sunny, with a high near 88. South southeast wind 13 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Saturday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 81. East southeast wind 10 to 14 mph.
Sunday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 88. South southeast wind 10 to 15 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 80. East southeast wind 10 to 13 mph.
Monday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 88. Southeast wind 10 to 15 mph.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 80. Southeast wind 10 to 13 mph.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 87.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 81.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
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
3:45 am CDT Jun 12, 2025
3am CDT Jun 12, 2025-6pm CDT Jun 18, 2025
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
