News Headlines
- New: Preliminary Summary of Damage from Wind-Driven Hail and Flooding Rain in Starr County, March 7-8
- 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
Current conditions at
Port Isabel, Port Isabel-Cameron County Airport (KPIL)
Lat: 26.16°NLon: 97.34°WElev: 16ft.
Overcast
76°F
24°C
| Humidity | 88% |
| Wind Speed | S 12 mph |
| Barometer | 29.97 in (1015.0 mb) |
| Dewpoint | 72°F (22°C) |
| Visibility | 10.00 mi |
| Heat Index | 76°F (24°C) |
| Last update | 10 Mar 1:53 am CDT |
Extended Forecast for
7 Miles SE Port Isabel TX
Overnight
Low: 70 °F
Mostly Cloudy
Tuesday
High: 81 °F
Partly Sunny
and BreezyTuesday Night
Low: 70 °F
Mostly Cloudy
and Breezy
then Mostly
CloudyWednesday
High: 86 °F
Decreasing
CloudsWednesday Night
Low: 64 °F
Mostly Clear
Thursday
High: 74 °F
Sunny and
BreezyThursday Night
Low: 60 °F
Mostly Clear
Friday
High: 76 °F
Sunny
Friday Night
Low: 65 °F
Mostly Clear
Detailed Forecast
Overnight
Mostly cloudy, with a low around 70. South southeast wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 81. Breezy, with a south southeast wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 29 mph.
Tuesday Night
Mostly cloudy, with a low around 70. Breezy, with a south southeast wind 14 to 18 mph, with gusts as high as 28 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 86. South wind around 14 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph.
Wednesday Night
Mostly clear, with a low around 64. Light and variable wind becoming north 5 to 10 mph after midnight.
Thursday
Sunny, with a high near 74. Breezy, with a north wind 16 to 23 mph, with gusts as high as 28 mph.
Thursday Night
Mostly clear, with a low around 60. North northeast wind 9 to 14 mph becoming light east northeast after midnight. Winds could gust as high as 20 mph.
Friday
Sunny, with a high near 76. Light east wind becoming east southeast 5 to 10 mph in the afternoon.
Friday Night
Mostly clear, with a low around 65. Southeast wind 7 to 9 mph.
Saturday
Sunny, with a high near 80. South southeast wind 6 to 15 mph.
Saturday Night
Mostly clear, with a low around 68. South southeast wind 10 to 13 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 82. Breezy.
Sunday Night
Mostly cloudy, with a low around 63.
Monday
Mostly cloudy, with a high near 74. Breezy.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
7 Miles SE Port Isabel TX
25.99°N 97.16°W
25.99°N 97.16°W
1:45 am CDT Mar 10, 2026
2am CDT Mar 10, 2026-6pm CDT Mar 16, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
