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- Understand Spring and Summer Hazardous Weather in the RGV with the 2026 Guide
Current conditions at
Port Isabel, Port Isabel-Cameron County Airport (KPIL)
Lat: 26.16°NLon: 97.34°WElev: 16ft.
Mostly Cloudy
71°F
22°C
| Humidity | 84% |
| Wind Speed | E 14 mph |
| Barometer | 30.25 in (1024.3 mb) |
| Dewpoint | 66°F (19°C) |
| Visibility | 10.00 mi |
| Last update | 28 Mar 11:53 pm CDT |
Extended Forecast for
Port Isabel TX
Overnight

Low: 69 °F
Partly Cloudy
Sunday
High: 77 °F
Slight Chance
Showers then
SunnySunday Night

Low: 70 °F
Partly Cloudy
Monday

High: 79 °F
Mostly Sunny
Monday Night

Low: 71 °F
Partly Cloudy
Tuesday
High: 79 °F
Mostly Sunny
then Mostly
Sunny and
BreezyTuesday Night

Low: 72 °F
Partly Cloudy
Wednesday
High: 80 °F
Mostly Sunny
then Sunny
and BreezyWednesday Night

Low: 72 °F
Partly Cloudy
Detailed Forecast
Overnight
Partly cloudy, with a low around 69. East wind 8 to 10 mph.
Sunday
A slight chance of showers between 8am and 11am. Mostly sunny, with a high near 77. East southeast wind 7 to 15 mph. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 70. South southeast wind 11 to 14 mph.
Monday
Mostly sunny, with a high near 79. Southeast wind 10 to 17 mph, with gusts as high as 22 mph.
Monday Night
Partly cloudy, with a low around 71. Southeast wind 13 to 15 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 79. Breezy, with a south southeast wind 13 to 20 mph.
Tuesday Night
Partly cloudy, with a low around 72. Southeast wind 14 to 17 mph.
Wednesday
Mostly sunny, with a high near 80. Breezy, with a south southeast wind 14 to 20 mph.
Wednesday Night
Partly cloudy, with a low around 72. Southeast wind 14 to 16 mph.
Thursday
Mostly sunny, with a high near 80. Breezy, with a south southeast wind 16 to 22 mph.
Thursday Night
Mostly cloudy, with a low around 72. Breezy, with a southeast wind 16 to 18 mph.
Friday
Mostly sunny, with a high near 81. Breezy.
Friday Night
Partly cloudy, with a low around 73. Breezy.
Saturday
Mostly sunny, with a high near 81. Breezy.
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
12:15 am CDT Mar 29, 2026
12am CDT Mar 29, 2026-6pm CDT Apr 4, 2026


