News Headlines
- New: Want to Help NWS and Water Resource Officials Better Understand RGV Rainfall? Join CoCoRaHS Today!
- New: April-June 2026 Outlook: Warmer than normal temperatures are favored to continue; precipitation is a toss-up; drought, heat risk increases, occasional heavy rain/flooding, & water supply issues are in focus
Current conditions at
Port Isabel, Port Isabel-Cameron County Airport (KPIL)
Lat: 26.16°NLon: 97.34°WElev: 16ft.
Mostly Cloudy
73°F
23°C
| Humidity | 94% |
| Wind Speed | SE 6 mph |
| Barometer | 29.99 in (1015.4 mb) |
| Dewpoint | 71°F (22°C) |
| Visibility | 10.00 mi |
| Last update | 22 Apr 4:53 am CDT |
Extended Forecast for
Port Isabel TX
Today
High: 82 °F
Mostly Sunny
Tonight
Low: 72 °F
Partly Cloudy
Thursday
High: 83 °F
Mostly Sunny
Thursday Night
Low: 73 °F
Partly Cloudy
Friday
High: 84 °F
Partly Sunny
Friday Night
Low: 74 °F
Partly Cloudy
Saturday
High: 84 °F
Mostly Sunny
Saturday Night
Low: 75 °F
Partly Cloudy
Sunday
High: 85 °F
Mostly Sunny
Detailed Forecast
Today
Mostly sunny, with a high near 82. Southeast wind 8 to 15 mph.
Tonight
Partly cloudy, with a low around 72. Southeast wind 9 to 11 mph.
Thursday
Mostly sunny, with a high near 83. Southeast wind 9 to 16 mph, with gusts as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 73. Southeast wind 11 to 14 mph, with gusts as high as 20 mph.
Friday
Partly sunny, with a high near 84. South southeast wind 10 to 17 mph.
Friday Night
Partly cloudy, with a low around 74. Southeast wind 8 to 14 mph.
Saturday
Mostly sunny, with a high near 84. Southeast wind 7 to 15 mph.
Saturday Night
Partly cloudy, with a low around 75. Southeast wind 9 to 13 mph.
Sunday
Mostly sunny, with a high near 85. South southeast wind 9 to 17 mph, with gusts as high as 22 mph.
Sunday Night
Partly cloudy, with a low around 75. Southeast wind 11 to 14 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 86. Breezy, with a south southeast wind 13 to 18 mph, with gusts as high as 24 mph.
Monday Night
Partly cloudy, with a low around 74.
Tuesday
Mostly sunny, with a high near 86.
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
4:45 am CDT Apr 22, 2026
4am CDT Apr 22, 2026-6pm CDT Apr 28, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
