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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.
A Few Clouds
81°F
27°C
| Humidity | 62% |
| Wind Speed | E 18 mph |
| Barometer | 30.21 in (1022.9 mb) |
| Dewpoint | 67°F (19°C) |
| Visibility | 10.00 mi |
| Heat Index | 83°F (28°C) |
| Last update | 29 Mar 11:53 am CDT |
Extended Forecast for
Port Isabel TX
This Afternoon

High: 77 °F
Sunny
Tonight

Low: 70 °F
Mostly Clear
Monday
High: 78 °F
Mostly Sunny
then Sunny
and BreezyMonday Night

Low: 72 °F
Partly Cloudy
Tuesday

High: 79 °F
Slight Chance
Showers and
BreezyTuesday Night

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

Low: 73 °F
Partly Cloudy
Thursday

High: 80 °F
Mostly Sunny
and Breezy
Detailed Forecast
This Afternoon
Sunny, with a high near 77. East southeast wind 11 to 16 mph.
Tonight
Mostly clear, with a low around 70. Southeast wind 11 to 14 mph.
Monday
Sunny, with a high near 78. Breezy, with a southeast wind 10 to 18 mph.
Monday Night
Partly cloudy, with a low around 72. Southeast wind 13 to 15 mph, with gusts as high as 20 mph.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 79. Breezy, with a south southeast wind 13 to 18 mph, with gusts as high as 23 mph.
Tuesday Night
Partly cloudy, with a low around 72. Southeast wind 13 to 15 mph, with gusts as high as 21 mph.
Wednesday
Sunny, with a high near 80. Breezy, with a south southeast wind 11 to 18 mph.
Wednesday Night
Partly cloudy, with a low around 73. Southeast wind 14 to 16 mph.
Thursday
Mostly sunny, with a high near 80. Breezy, with a south southeast wind 15 to 21 mph.
Thursday Night
Mostly cloudy, with a low around 72. Southeast wind around 17 mph, with gusts as high as 22 mph.
Friday
Mostly sunny, with a high near 80. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 25 mph.
Friday Night
Partly cloudy, with a low around 72.
Saturday
Mostly sunny, with a high near 80. 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
12:30 pm CDT Mar 29, 2026
12pm CDT Mar 29, 2026-6pm CDT Apr 4, 2026


