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- 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.
Partly Cloudy
91°F
33°C
| Humidity | 64% |
| Wind Speed | SE 18 G 29 mph |
| Barometer | 29.95 in (1014.1 mb) |
| Dewpoint | 77°F (25°C) |
| Visibility | 10.00 mi |
| Heat Index | 105°F (41°C) |
| Last update | 13 Oct 12:53 pm CDT |
Extended Forecast for
Port Isabel TX
This Afternoon

High: 87 °F
Sunny and
BreezyTonight

Low: 82 °F
Mostly Clear
Wednesday
High: 86 °F
Sunny then
Mostly Sunny
and BreezyWednesday Night

Low: 79 °F
Mostly Clear
Thursday

High: 85 °F
Sunny
Thursday Night

Low: 78 °F
Mostly Clear
Friday

High: 83 °F
Showers
Likely and
BreezyFriday Night

Low: 74 °F
Showers
Likely and
BreezySaturday

High: 78 °F
Showers
Likely and
Breezy
Detailed Forecast
This Afternoon
Sunny, with a high near 87. Breezy, with a south southeast wind 18 to 20 mph.
Tonight
Mostly clear, with a low around 82. South southeast wind 11 to 16 mph.
Wednesday
Mostly sunny, with a high near 86. Breezy, with a southeast wind 11 to 20 mph.
Wednesday Night
Mostly clear, with a low around 79. Southeast wind 13 to 17 mph.
Thursday
Sunny, with a high near 85. East southeast wind 11 to 15 mph.
Thursday Night
Mostly clear, with a low around 78. East wind 5 to 11 mph.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 83. Breezy, with a northeast wind 7 to 12 mph increasing to 17 to 22 mph in the afternoon. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 74. Breezy, with a north northeast wind 22 to 24 mph, with gusts as high as 32 mph. Chance of precipitation is 70%.
Saturday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 78. Breezy, with a north wind around 26 mph, with gusts as high as 34 mph. Chance of precipitation is 70%.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 73. Breezy, with a north northeast wind 14 to 22 mph.
Sunday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 79. North northeast wind 14 to 16 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75.
Monday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Port Isabel TX
26.08°N 97.24°W
26.08°N 97.24°W
1:00 pm CDT Oct 13, 2026
1pm CDT Oct 13, 2026-6pm CDT Oct 19, 2026


