News Headlines
- New: Winter 2025/2026 Weather and Climate Summary for the RGV - Warm and Dry - and a Hard Freeze - Worsens Drought
- New: 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
- The Potential for Wildfire Spread Will Remain Acute through Early 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 Worsening and Increasing in Coverage Across the Area as We Head into Spring. Track Its Coverage Here.
Current conditions at
Port Isabel, Port Isabel-Cameron County Airport (KPIL)
Lat: 26.16°NLon: 97.34°WElev: 16ft.
Light Rain and Breezy
79°F
26°C
| Humidity | 72% |
| Wind Speed | SE 21 G 30 mph |
| Barometer | 29.92 in (1013.2 mb) |
| Dewpoint | 69°F (21°C) |
| Visibility | 10.00 mi |
| Heat Index | 82°F (28°C) |
| Last update | 4 Mar 4:53 pm CST |
Extended Forecast for
Port Isabel TX
Tonight
Low: 71 °F
Increasing
CloudsThursday
High: 79 °F
Decreasing
Clouds and
BreezyThursday Night
Low: 72 °F
Partly Cloudy
then Mostly
Cloudy and
BreezyFriday
High: 79 °F
Partly Sunny
and BreezyFriday Night
Low: 72 °F
Mostly Cloudy
Saturday
High: 80 °F
Partly Sunny
then Mostly
Sunny and
BreezySaturday Night
Low: 71 °F
Mostly Cloudy
then Slight
Chance
T-stormsSunday
High: 79 °F
Chance
ShowersSunday Night
Low: 71 °F
Mostly Cloudy
Detailed Forecast
Tonight
Increasing clouds, with a low around 71. South southeast wind 14 to 17 mph, with gusts as high as 22 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 79. Breezy, with a southeast wind 14 to 20 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 72. Breezy, with a south southeast wind 16 to 18 mph, with gusts as high as 23 mph.
Friday
Partly sunny, with a high near 79. Breezy, with a south southeast wind 17 to 20 mph, with gusts as high as 26 mph.
Friday Night
Mostly cloudy, with a low around 72. South southeast wind 14 to 16 mph, with gusts as high as 22 mph.
Saturday
Partly sunny, with a high near 80. Breezy, with a south southeast wind 14 to 18 mph, with gusts as high as 23 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 71. Southeast wind 9 to 15 mph, with gusts as high as 20 mph.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 79. Southeast wind 9 to 14 mph.
Sunday Night
Mostly cloudy, with a low around 71. East southeast wind around 11 mph.
Monday
Partly sunny, with a high near 79. Breezy, with a south southeast wind 10 to 18 mph, with gusts as high as 23 mph.
Monday Night
Mostly cloudy, with a low around 71. Breezy, with a south southeast wind around 18 mph, with gusts as high as 23 mph.
Tuesday
Mostly cloudy, with a high near 80. Breezy.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 69.
Wednesday
Mostly sunny, with a high near 81.
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
5:45 pm CST Mar 4, 2026
5pm CST Mar 4, 2026-6pm CDT Mar 11, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
