News Headlines
- New! Understand Spring and Summer Hazardous Weather in the RGV with the 2026 Guide
- New: Winter 2025/2026 Weather and Climate Summary for the RGV - Warm and Dry - and a Hard Freeze - Worsens Drought
- 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.
Current conditions at
Port Isabel, Port Isabel-Cameron County Airport (KPIL)
Lat: 26.16°NLon: 97.34°WElev: 16ft.N/A
| Humidity | NA |
| Wind Speed | NA |
| Barometer | NA |
| Dewpoint | N/A |
| Visibility | NA |
| Last update | *** Not a current observation *** |
Extended Forecast for
Port Isabel TX
Tonight
Low: 72 °F
Mostly Cloudy
then Slight
Chance
T-stormsSunday
High: 79 °F
Chance
ShowersSunday Night
Low: 72 °F
Mostly Cloudy
then Slight
Chance
ShowersMonday
High: 80 °F
Mostly Cloudy
then Mostly
Cloudy and
BreezyMonday Night
Low: 72 °F
Cloudy
Tuesday
High: 79 °F
Mostly Cloudy
and BreezyTuesday Night
Low: 72 °F
Mostly Cloudy
and BreezyWednesday
High: 83 °F
Mostly Sunny
Wednesday Night
Low: 64 °F
Mostly Clear
then Mostly
Clear and
Breezy
Detailed Forecast
Tonight
A 20 percent chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 72. South southeast wind 7 to 14 mph, with gusts as high as 20 mph.
Sunday
A 30 percent chance of showers between 11am and 2pm. Cloudy through mid morning, then gradual clearing, with a high near 79. East wind 6 to 13 mph.
Sunday Night
A 20 percent chance of showers after midnight. Increasing clouds, with a low around 72. East southeast wind 8 to 10 mph.
Monday
Mostly cloudy, with a high near 80. Breezy, with a south southeast wind 8 to 18 mph, with gusts as high as 23 mph.
Monday Night
Cloudy, with a low around 72. South southeast wind around 16 mph, with gusts as high as 21 mph.
Tuesday
Mostly cloudy, with a high near 79. Breezy, with a south southeast wind 15 to 23 mph, with gusts as high as 29 mph.
Tuesday Night
Mostly cloudy, with a low around 72. Breezy, with a south southeast wind 14 to 21 mph, with gusts as high as 26 mph.
Wednesday
Mostly sunny, with a high near 83. South wind 10 to 13 mph becoming east northeast in the afternoon.
Wednesday Night
Mostly clear, with a low around 64. Breezy, with an east wind 8 to 13 mph becoming north 15 to 20 mph after midnight.
Thursday
Sunny, with a high near 71. Breezy, with a north wind 16 to 22 mph.
Thursday Night
Mostly clear, with a low around 61. Northeast wind 7 to 15 mph becoming southeast after midnight.
Friday
Sunny, with a high near 74.
Friday Night
Mostly clear, with a low around 66.
Saturday
Mostly sunny, with a high near 78. Breezy.
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
7:45 pm CST Mar 7, 2026
7pm CST Mar 7, 2026-6pm CDT Mar 14, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
