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.
A Few Clouds
74°F
23°C
| Humidity | 91% |
| Wind Speed | SE 14 mph |
| Barometer | 29.91 in (1012.8 mb) |
| Dewpoint | 71°F (22°C) |
| Visibility | 10.00 mi |
| Last update | 5 Mar 9:53 pm CST |
Extended Forecast for
Port Isabel TX
Tonight
Low: 72 °F
Mostly Cloudy
then Mostly
Cloudy and
BreezyFriday
High: 80 °F
Decreasing
Clouds and
BreezyFriday Night
Low: 72 °F
Mostly Cloudy
Saturday
High: 80 °F
Decreasing
CloudsSaturday Night
Low: 72 °F
Mostly Cloudy
then Slight
Chance
T-stormsSunday
High: 79 °F
Chance
ShowersSunday Night
Low: 72 °F
Mostly Cloudy
Monday
High: 79 °F
Mostly Cloudy
then Partly
Sunny and
BreezyMonday Night
Low: 72 °F
Mostly Cloudy
then Mostly
Cloudy and
Breezy
Detailed Forecast
Tonight
Mostly cloudy, with a low around 72. Breezy, with a south southeast wind 16 to 18 mph, with gusts as high as 24 mph.
Friday
Cloudy, then gradually becoming mostly sunny, with a high near 80. 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 around 16 mph, with gusts as high as 21 mph.
Saturday
Cloudy, then gradually becoming mostly sunny, with a high near 80. South southeast wind 14 to 17 mph, with gusts as high as 22 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 72. Southeast wind 9 to 15 mph, with gusts as high as 20 mph.
Sunday
A 40 percent chance of showers. Partly sunny, with a high near 79. Southeast wind 8 to 14 mph.
Sunday Night
Mostly cloudy, with a low around 72. South 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 24 mph.
Monday Night
Mostly cloudy, with a low around 72. Breezy, with a south southeast wind 16 to 18 mph, with gusts as high as 23 mph.
Tuesday
Mostly cloudy, with a high near 79. Breezy, with a south southeast wind 18 to 22 mph, with gusts as high as 28 mph.
Tuesday Night
Mostly cloudy, with a low around 71. South southeast wind 10 to 17 mph, with gusts as high as 22 mph.
Wednesday
Mostly sunny, with a high near 81.
Wednesday Night
Partly cloudy, with a low around 68.
Thursday
Sunny, with a high near 78.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Port Isabel TX
26.08°N 97.21°W
26.08°N 97.21°W
10:26 pm CST Mar 5, 2026
10pm CST Mar 5, 2026-6pm CDT Mar 12, 2026
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