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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.
Overcast
78°F
26°C
| Humidity | 93% |
| Wind Speed | N 12 mph |
| Barometer | 29.98 in (1015.3 mb) |
| Dewpoint | 76°F (24°C) |
| Visibility | 10.00 mi |
| Heat Index | 81°F (27°C) |
| Last update | 4 Oct 11:53 pm CDT |
Extended Forecast for
6 Miles SSE Port Isabel TX
Overnight

Low: 78 °F
Showers
Monday

High: 86 °F
Showers
Monday Night

Low: 77 °F
Showers
Tuesday

High: 86 °F
Showers and
BreezyTuesday Night

Low: 78 °F
Showers
LikelyWednesday

High: 88 °F
Showers and
BreezyWednesday Night

Low: 78 °F
Showers
LikelyThursday

High: 88 °F
Showers and
BreezyThursday Night

Low: 78 °F
Showers
Likely
Detailed Forecast
Overnight
Showers and possibly a thunderstorm. Low around 78. North wind 6 to 8 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 86. North wind 11 to 17 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Monday Night
Showers and possibly a thunderstorm. Low around 77. North wind 9 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Tuesday
Showers and possibly a thunderstorm. High near 86. Breezy, with a north wind 13 to 18 mph. Chance of precipitation is 80%.
Tuesday Night
Showers and thunderstorms likely before 10pm, then a chance of showers between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 78. North wind 8 to 15 mph. Chance of precipitation is 60%.
Wednesday
Showers and possibly a thunderstorm. High near 88. Breezy, with a north northeast wind 11 to 18 mph. Chance of precipitation is 80%.
Wednesday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 78. North northeast wind 7 to 15 mph. Chance of precipitation is 70%.
Thursday
Showers and possibly a thunderstorm. High near 88. Breezy, with a north northeast wind 10 to 18 mph. Chance of precipitation is 80%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 78. North northeast wind 8 to 16 mph. Chance of precipitation is 60%.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 88. Breezy, with a north wind 11 to 20 mph. Chance of precipitation is 60%.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 77. North northeast wind 9 to 17 mph.
Saturday
A 40 percent chance of showers. Mostly sunny, with a high near 88.
Saturday Night
A 30 percent chance of showers. Partly cloudy, with a low around 77.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 89.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
6 Miles SSE Port Isabel TX
25.99°N 97.19°W
25.99°N 97.19°W
12:22 am CDT Oct 5, 2026
12am CDT Oct 5, 2026-6pm CDT Oct 11, 2026


