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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.
Thunderstorm in Vicinity
78°F
26°C
| Humidity | 93% |
| Wind Speed | NW 16 mph |
| Barometer | 29.94 in (1013.9 mb) |
| Dewpoint | 76°F (24°C) |
| Visibility | 10.00 mi |
| Heat Index | 81°F (27°C) |
| Last update | 4 Oct 12:53 pm CDT |
Extended Forecast for
6 Miles SE Port Isabel TX
This Afternoon
High: 83 °F
Showers
LikelyTonight
Low: 79 °F
Showers
Monday
High: 82 °F
Showers
Monday Night
Low: 80 °F
Showers
Tuesday
High: 82 °F
Showers and
BreezyTuesday Night
Low: 80 °F
Chance
ShowersWednesday
High: 83 °F
Showers
Likely and
BreezyWednesday Night
Low: 79 °F
Showers
LikelyThursday
High: 84 °F
Showers
Likely
Detailed Forecast
This Afternoon
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 83. North northeast wind around 13 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and possibly a thunderstorm. Low around 79. North northeast wind 9 to 13 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
Showers and possibly a thunderstorm. High near 82. North northeast wind 11 to 17 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Monday Night
Showers and possibly a thunderstorm. Low around 80. North northeast wind 11 to 15 mph. Chance of precipitation is 90%.
Tuesday
Showers and possibly a thunderstorm. High near 82. Breezy, with a north wind 14 to 18 mph. Chance of precipitation is 90%.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 80. North northeast wind 11 to 17 mph. Chance of precipitation is 50%.
Wednesday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 83. Breezy, with a north northeast wind 14 to 20 mph. Chance of precipitation is 60%.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 79. North northeast wind 10 to 16 mph. Chance of precipitation is 60%.
Thursday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 84. North northeast wind 14 to 17 mph. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 79. North northeast wind 10 to 16 mph. Chance of precipitation is 60%.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. Breezy, with a north wind 14 to 21 mph.
Friday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78. Breezy.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84. Breezy.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
6 Miles SE Port Isabel TX
26.02°N 97.16°W
26.02°N 97.16°W
1:31 pm CDT Oct 4, 2026
1pm CDT Oct 4, 2026-6pm CDT Oct 10, 2026
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