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
83°F
28°C
| Humidity | 57% |
| Wind Speed | S 25 G 37 mph |
| Barometer | 29.93 in (1013.3 mb) |
| Dewpoint | 66°F (19°C) |
| Visibility | 10.00 mi |
| Heat Index | 85°F (29°C) |
| Last update | 5 Mar 11:53 am CST |
Extended Forecast for
Port Isabel TX
Today

High: 78 °F
Mostly Sunny
and BreezyTonight
Low: 72 °F
Mostly Cloudy
then Mostly
Cloudy and
BreezyFriday

High: 80 °F
Partly Sunny
and BreezyFriday Night

Low: 72 °F
Mostly Cloudy
Saturday

High: 79 °F
Mostly Sunny
Saturday Night
Low: 71 °F
Mostly Cloudy
then Slight
Chance
T-stormsSunday

High: 79 °F
Chance
ShowersSunday Night

Low: 71 °F
Mostly Cloudy
Monday
High: 79 °F
Mostly Cloudy
then Partly
Sunny and
Breezy
Detailed Forecast
Today
Mostly sunny, with a high near 78. Breezy, with a southeast wind 18 to 21 mph, with gusts as high as 26 mph.
Tonight
Increasing clouds, with a low around 72. Breezy, with a south southeast wind 15 to 18 mph, with gusts as high as 23 mph.
Friday
Partly sunny, with a high near 80. Breezy, with a south southeast wind 16 to 20 mph, with gusts as high as 25 mph.
Friday Night
Mostly cloudy, with a low around 72. South southeast wind around 15 mph, with gusts as high as 21 mph.
Saturday
Mostly sunny, with a high near 79. South southeast wind 14 to 17 mph, with gusts as high as 22 mph.
Saturday Night
A slight chance of showers and thunderstorms between midnight and 3am, then a slight chance of showers after 3am. Mostly cloudy, with a low around 71. Southeast wind 9 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Sunday
A 40 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. Southeast wind around 11 mph.
Monday
Partly sunny, with a high near 79. Breezy, with a southeast wind 10 to 18 mph, with gusts as high as 23 mph.
Monday Night
Mostly cloudy, with a low around 72. 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, with a south southeast wind 18 to 21 mph, with gusts as high as 28 mph.
Tuesday Night
Mostly cloudy, with a low around 71.
Wednesday
Mostly sunny, with a high near 82.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Port Isabel TX
26.08°N 97.21°W
26.08°N 97.21°W
11:45 am CST Mar 5, 2026
11am CST Mar 5, 2026-6pm CDT Mar 11, 2026


