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.
Fair
72°F
22°C
| Humidity | 91% |
| Wind Speed | SE 14 mph |
| Barometer | 29.91 in (1012.8 mb) |
| Dewpoint | 69°F (21°C) |
| Visibility | 10.00 mi |
| Last update | 5 Mar 5:53 am CST |
Extended Forecast for
Port Isabel TX
Today

High: 81 °F
Gradual
Clearing and
BreezyTonight

Low: 70 °F
Mostly Cloudy
Friday

High: 82 °F
Partly Sunny
and BreezyFriday Night

Low: 71 °F
Mostly Cloudy
Saturday

High: 82 °F
Mostly Sunny
Saturday Night
Low: 70 °F
Mostly Cloudy
then Chance
ShowersSunday

High: 80 °F
Chance
ShowersSunday Night
Low: 70 °F
Slight Chance
T-storms then
Mostly CloudyMonday
High: 81 °F
Partly Sunny
then Partly
Sunny and
Breezy
Detailed Forecast
Today
Cloudy through mid morning, then gradual clearing, with a high near 81. Breezy, with a south southeast wind 11 to 20 mph, with gusts as high as 26 mph.
Tonight
Mostly cloudy, with a low around 70. South southeast wind 14 to 16 mph, with gusts as high as 23 mph.
Friday
Partly sunny, with a high near 82. Breezy, with a south southeast wind 15 to 18 mph, with gusts as high as 25 mph.
Friday Night
Mostly cloudy, with a low around 71. South southeast wind 13 to 15 mph, with gusts as high as 21 mph.
Saturday
Mostly sunny, with a high near 82. South southeast wind 13 to 17 mph, with gusts as high as 23 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 70. Southeast wind 7 to 14 mph, with gusts as high as 20 mph.
Sunday
A 40 percent chance of showers. Partly sunny, with a high near 80. Southeast wind 7 to 13 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 70. East southeast wind 8 to 10 mph.
Monday
Partly sunny, with a high near 81. Breezy, with a south southeast wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 70. South southeast wind around 16 mph, with gusts as high as 24 mph.
Tuesday
Mostly cloudy, with a high near 81. Breezy, with a south southeast wind 16 to 21 mph, with gusts as high as 28 mph.
Tuesday Night
Mostly cloudy, with a low around 69.
Wednesday
Sunny, with a high near 85.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Port Isabel TX
26.06°N 97.21°W
26.06°N 97.21°W
6:00 am CST Mar 5, 2026
6am CST Mar 5, 2026-6pm CDT Mar 11, 2026


