News Headlines
- WE ARE HIRING: NWS Brownsville/Rio Grande Valley is officially hiring a GS-5/7/9 Meteorologist. Apply today at USAJobs!
- October 1-7 Rainfall Improves Long-Term Drought, but Severe to Extreme Conditions Remain for Some. Click Here for Details.
- New: October-December2026 Outlook - After a brutally hot and dry September, October brings the pattern change to wetter and less hot, with above average rainfall to close out 2026; flash flooding, water supply, & hazardous marine conditions in focus
Current conditions at
Port Isabel, Port Isabel-Cameron County Airport (KPIL)
Lat: 26.16°NLon: 97.34°WElev: 16ft.
Fair
82°F
28°C
| Humidity | 79% |
| Wind Speed | E 8 mph |
| Barometer | 29.97 in (1014.7 mb) |
| Dewpoint | 75°F (24°C) |
| Visibility | 10.00 mi |
| Heat Index | 89°F (32°C) |
| Last update | 11 Oct 7:53 pm CDT |
Extended Forecast for
4 Miles SSW Port Isabel TX
Tonight
Low: 81 °F
Slight Chance
T-storms then
Partly CloudyColumbus Day
High: 88 °F
Slight Chance
T-storms then
Mostly SunnyMonday Night

Low: 82 °F
Partly Cloudy
Tuesday

High: 89 °F
Mostly Sunny
and BreezyTuesday Night

Low: 82 °F
Mostly Clear
Wednesday

High: 88 °F
Sunny and
BreezyWednesday Night

Low: 79 °F
Mostly Clear
Thursday

High: 88 °F
Sunny
Thursday Night

Low: 78 °F
Mostly Clear
Detailed Forecast
Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 81. Southeast wind around 11 mph.
Columbus Day
A slight chance of showers and thunderstorms between 10am and noon. Mostly sunny, with a high near 88. South southeast wind 9 to 16 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 82. Southeast wind 11 to 14 mph.
Tuesday
Mostly sunny, with a high near 89. Breezy, with a south southeast wind 13 to 20 mph.
Tuesday Night
Mostly clear, with a low around 82. Southeast wind 13 to 16 mph.
Wednesday
Sunny, with a high near 88. Breezy, with a southeast wind 14 to 20 mph.
Wednesday Night
Mostly clear, with a low around 79. Southeast wind 11 to 17 mph.
Thursday
Sunny, with a high near 88. Southeast wind 13 to 16 mph.
Thursday Night
Mostly clear, with a low around 78. East southeast wind 5 to 11 mph.
Friday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Sunny, with a high near 86. Breezy, with a north northeast wind 5 to 10 mph increasing to 17 to 22 mph in the afternoon. Chance of precipitation is 60%.
Friday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. Breezy, with a north wind 22 to 25 mph, with gusts as high as 30 mph.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 80. Windy.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Breezy.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 81. Breezy.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
4 Miles SSW Port Isabel TX
26.01°N 97.24°W
26.01°N 97.24°W
8:45 pm CDT Oct 11, 2026
8pm CDT Oct 11, 2026-6pm CDT Oct 18, 2026


