News Headlines
- New: Quick Summary of Starr County Damaging Wind, Hail, and Flash Flooding March 7-8, 2026
- New! Understand Spring and Summer Hazardous Weather in the RGV with the 2026 Guide
- 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
Hazardous Weather Conditions
Current conditions at
Port Isabel, Port Isabel-Cameron County Airport (KPIL)
Lat: 26.16°NLon: 97.34°WElev: 16ft.
Light Rain and Breezy
73°F
23°C
| Humidity | 66% |
| Wind Speed | N 23 G 41 mph |
| Barometer | 30.15 in (1021.1 mb) |
| Dewpoint | 61°F (16°C) |
| Visibility | 10.00 mi |
| Last update | 12 Mar 2:53 am CDT |
Extended Forecast for
Port Isabel TX
Fire Weather Watch March 12, 10:00am until March 12, 07:00pm
Overnight
Low: 62 °F
Partly Cloudy
and BreezyThursday
High: 70 °F
Mostly Sunny
and BreezyThursday Night
Low: 58 °F
Clear
Friday
High: 76 °F
Sunny
Friday Night
Low: 64 °F
Mostly Clear
Saturday
High: 81 °F
Sunny
Saturday Night
Low: 69 °F
Mostly Clear
Sunday
High: 84 °F
Sunny and
BreezySunday Night
Low: 64 °F
Partly Cloudy
Detailed Forecast
Overnight
Partly cloudy, with a low around 62. Breezy, with a north wind 21 to 23 mph, with gusts as high as 28 mph.
Thursday
Mostly sunny, with a high near 70. Breezy, with a north wind 20 to 22 mph, with gusts as high as 31 mph.
Thursday Night
Clear, with a low around 58. North northeast wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Friday
Sunny, with a high near 76. Light east southeast wind becoming southeast 6 to 11 mph in the afternoon.
Friday Night
Mostly clear, with a low around 64. South southeast wind around 10 mph.
Saturday
Sunny, with a high near 81. South southeast wind 8 to 17 mph.
Saturday Night
Mostly clear, with a low around 69. South southeast wind around 15 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 84. Breezy, with a south wind 15 to 21 mph.
Sunday Night
Partly cloudy, with a low around 64. South southeast wind 11 to 15 mph becoming east after midnight. Winds could gust as high as 20 mph.
Monday
Mostly cloudy, with a high near 70. Breezy, with a north northeast wind 18 to 26 mph, with gusts as high as 32 mph.
Monday Night
Mostly cloudy, with a low around 62. Breezy, with a northeast wind 10 to 20 mph, with gusts as high as 25 mph.
Tuesday
A 20 percent chance of showers. Mostly cloudy, with a high near 72.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
Mostly sunny, with a high near 77.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Port Isabel TX
26.06°N 97.21°W
26.06°N 97.21°W
3:45 am CDT Mar 12, 2026
3am CDT Mar 12, 2026-6pm CDT Mar 18, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
