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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
Hazardous Weather Conditions
Current conditions at
Port Isabel, Port Isabel-Cameron County Airport (KPIL)
Lat: 26.16°NLon: 97.34°WElev: 16ft.
Fair
85°F
29°C
| Humidity | 68% |
| Wind Speed | SE 16 mph |
| Barometer | 30.06 in (1017.7 mb) |
| Dewpoint | 73°F (23°C) |
| Visibility | 10.00 mi |
| Heat Index | 92°F (33°C) |
| Last update | 11 Oct 10:53 am CDT |
Extended Forecast for
3 Miles ESE Port Isabel TX
Coastal Flood Advisory October 11, 11:49am until October 12, 07:00am
NOW until 7:00am Mon

Coastal Flood Advisory
Today

High: 85 °F
Mostly Sunny
Tonight
Low: 81 °F
Slight Chance
T-storms then
Slight Chance
ShowersColumbus Day

High: 88 °F
Mostly Sunny
Monday Night

Low: 82 °F
Partly Cloudy
Tuesday
High: 88 °F
Mostly Sunny
then Sunny
and BreezyTuesday Night

Low: 82 °F
Mostly Clear
Wednesday

High: 87 °F
Sunny and
BreezyWednesday Night

Low: 80 °F
Mostly Clear
Detailed Forecast
Today
Mostly sunny, with a high near 85. East southeast wind around 16 mph.
Tonight
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 81. East southeast wind 11 to 13 mph. Chance of precipitation is 20%.
Columbus Day
Mostly sunny, with a high near 88. Southeast wind 10 to 16 mph.
Monday Night
Partly cloudy, with a low around 82. Southeast wind around 14 mph.
Tuesday
Sunny, with a high near 88. Breezy, with a south southeast wind 14 to 18 mph.
Tuesday Night
Mostly clear, with a low around 82. South southeast wind around 16 mph.
Wednesday
Sunny, with a high near 87. Breezy, with a southeast wind 16 to 20 mph.
Wednesday Night
Mostly clear, with a low around 80. Southeast wind 15 to 17 mph.
Thursday
Sunny, with a high near 85. Breezy, with a southeast wind 15 to 18 mph.
Thursday Night
A 20 percent chance of showers after 1am. Mostly clear, with a low around 79. East southeast wind 8 to 15 mph.
Friday
A 40 percent chance of showers. Sunny, with a high near 84. East southeast wind 7 to 17 mph becoming northeast in the afternoon.
Friday Night
A 50 percent chance of showers. Partly cloudy, with a low around 74. Breezy.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 79. Windy.
Additional Forecasts and Information
Basemap Options
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ABOUT THIS FORECAST
Point Forecast:
3 Miles ESE Port Isabel TX
26.06°N 97.19°W
26.06°N 97.19°W
11:45 am CDT Oct 11, 2026
11am CDT Oct 11, 2026-6pm CDT Oct 17, 2026



