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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.
Mostly Cloudy
79°F
26°C
| Humidity | 88% |
| Wind Speed | N 14 mph |
| Barometer | 29.93 in (1013.3 mb) |
| Dewpoint | 75°F (24°C) |
| Visibility | 10.00 mi |
| Heat Index | 83°F (28°C) |
| Last update | 5 Oct 5:53 pm CDT |
Extended Forecast for
4 Miles SSW Port Isabel TX
Tonight
Low: 78 °F
Showers and
BreezyTuesday
High: 83 °F
Showers and
BreezyTuesday Night
Low: 79 °F
Chance
T-storms then
Showers
LikelyWednesday
High: 84 °F
Showers and
BreezyWednesday Night
Low: 79 °F
Showers
LikelyThursday
High: 85 °F
Showers
Likely and
BreezyThursday Night
Low: 77 °F
Chance
T-stormsFriday
High: 88 °F
Chance
T-storms and
BreezyFriday Night
Low: 77 °F
Chance
Showers
Detailed Forecast
Tonight
Showers and possibly a thunderstorm. Low around 78. Breezy, with a north wind 10 to 18 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Tuesday
Showers and possibly a thunderstorm. High near 83. Breezy, with a north wind 14 to 18 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday Night
Showers and thunderstorms likely before 3am, then showers likely and possibly a thunderstorm between 3am and 5am, then a chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 79. North wind 10 to 16 mph. Chance of precipitation is 60%.
Wednesday
Showers and possibly a thunderstorm. High near 84. Breezy, with a north northeast wind 14 to 20 mph. Chance of precipitation is 80%.
Wednesday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 79. North northeast wind 9 to 16 mph. Chance of precipitation is 70%.
Thursday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 85. Breezy, with a north northeast wind 11 to 20 mph. Chance of precipitation is 70%.
Thursday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77. North northeast wind 8 to 17 mph.
Friday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. Breezy, with a north wind 13 to 20 mph.
Friday Night
A chance of showers, with thunderstorms also possible after 1am. Partly cloudy, with a low around 77. North northeast wind 7 to 17 mph. Chance of precipitation is 30%.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. North northwest wind 11 to 16 mph.
Saturday Night
A 20 percent chance of showers. Partly cloudy, with a low around 76. North northeast wind 6 to 11 mph becoming light in the evening.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Sunday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 78.
Columbus Day
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 90.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles SSW Port Isabel TX
26.01°N 97.24°W
26.01°N 97.24°W
6:30 pm CDT Oct 5, 2026
6pm CDT Oct 5, 2026-6pm CDT Oct 12, 2026
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