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- New: Summer (June-August) 2025 Review: Still Hot with "Just-in-Time" Rains that Kept Drought to a Minimum
- New: Autumn (September-November) Outlook - Early Rains? Otherwise, Warm/Hot and Generally Dry for Most of the Season
- Check Out the 2025 Rio Grande Valley/Deep South Texas Hurricane Guide
- Guia de Huracanes 2025 del Valle del Rio Grande/Extremo Sur de Texas
Current conditions at
Port Isabel, Port Isabel-Cameron County Airport (KPIL)
Lat: 26.16°NLon: 97.34°WElev: 16ft.
A Few Clouds
83°F
28°C
Humidity | 79% |
Wind Speed | SE 9 mph |
Barometer | 30.01 in (1016.3 mb) |
Dewpoint | 76°F (24°C) |
Visibility | 10.00 mi |
Heat Index | 91°F (33°C) |
Last update | 12 Sep 12:53 am CDT |
Extended Forecast for
Port Isabel TX
Overnight
Low: 81 °F
Chance
T-stormsFriday
High: 87 °F
Chance
T-stormsFriday Night
Low: 81 °F
Chance
ShowersSaturday
High: 87 °F
Chance
ShowersSaturday Night
Low: 81 °F
Chance
ShowersSunday
High: 87 °F
Chance
ShowersSunday Night
Low: 80 °F
Chance
ShowersMonday
High: 86 °F
Chance
Showers then
Chance
T-stormsMonday Night
Low: 80 °F
Chance
Showers
Detailed Forecast
Overnight
A 50 percent chance of showers and thunderstorms after 3am. Mostly clear, with a low around 81. East southeast wind around 7 mph.
Friday
A 50 percent chance of showers and thunderstorms, mainly between 8am and 5pm. Mostly sunny, with a high near 87. East wind 6 to 14 mph.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly after 4am. Partly cloudy, with a low around 81. East wind 9 to 13 mph.
Saturday
A chance of showers and thunderstorms. Sunny, with a high near 87. East wind 9 to 15 mph. Chance of precipitation is 40%.
Saturday Night
A 30 percent chance of showers, mainly after 1am. Mostly clear, with a low around 81. East southeast wind 10 to 13 mph.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Sunny, with a high near 87. East wind 9 to 14 mph. Chance of precipitation is 30%.
Sunday Night
A 30 percent chance of showers. Partly cloudy, with a low around 80. East wind 8 to 13 mph.
Monday
A 50 percent chance of showers and thunderstorms. Sunny, with a high near 86. East wind 7 to 14 mph.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly clear, with a low around 80. East wind 8 to 13 mph.
Tuesday
Showers likely, with thunderstorms also possible after 1pm. Sunny, with a high near 86. East northeast wind 7 to 14 mph. Chance of precipitation is 60%.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 80. East wind 7 to 11 mph.
Wednesday
Showers and thunderstorms likely. Mostly sunny, with a high near 86. Chance of precipitation is 60%.
Wednesday Night
A 50 percent chance of showers. Mostly clear, with a low around 80.
Thursday
Showers and thunderstorms likely. Sunny, with a high near 87. Chance of precipitation is 60%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Port Isabel TX
26.08°N 97.21°W
26.08°N 97.21°W
1:45 am CDT Sep 12, 2025
1am CDT Sep 12, 2025-6pm CDT Sep 18, 2025