News Headlines
- WE ARE HIRING: NWS Brownsville/Rio Grande Valley is officially hiring a GS-5/7/9 Meteorologist. Apply today at USAJobs!
- Notice: Rio Grande City NOAA Weather Radio Remains Out of Service Until Further Notice
- New: July-September 2026 Outlook - Hotter Than Normal And Mainly Dry Conditions Are Expected; Heat Risk And Water Supply Issues To Remain In Focus
- Check Out the 2026 Rio Grande Valley/Deep South Texas Hurricane Guide
- Guia de Huracanes 2026 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.
Mostly Cloudy
93°F
34°C
| Humidity | 54% |
| Wind Speed | SE 18 G 30 mph |
| Barometer | 29.98 in (1015.1 mb) |
| Dewpoint | 74°F (23°C) |
| Visibility | 10.00 mi |
| Heat Index | 103°F (39°C) |
| Last update | 31 Jul 1:53 pm CDT |
Extended Forecast for
Port Isabel TX
This Afternoon
High: 88 °F
Sunny and
BreezyTonight
Low: 81 °F
Partly Cloudy
Saturday
High: 89 °F
Mostly Sunny
Saturday Night
Low: 80 °F
Partly Cloudy
Sunday
High: 89 °F
Sunny
Sunday Night
Low: 80 °F
Mostly Clear
Monday
High: 89 °F
Mostly Sunny
then Sunny
and BreezyMonday Night
Low: 80 °F
Mostly Clear
Tuesday
High: 86 °F
Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 88. Breezy, with a southeast wind around 18 mph.
Tonight
Partly cloudy, with a low around 81. Southeast wind 11 to 14 mph.
Saturday
Mostly sunny, with a high near 89. South southeast wind 10 to 17 mph.
Saturday Night
Partly cloudy, with a low around 80. South southeast wind 10 to 14 mph.
Sunday
Sunny, with a high near 89. Southeast wind 8 to 16 mph.
Sunday Night
Mostly clear, with a low around 80. South wind 10 to 15 mph.
Monday
Sunny, with a high near 89. Breezy, with a southeast wind 10 to 18 mph.
Monday Night
Mostly clear, with a low around 80. South southeast wind 13 to 16 mph.
Tuesday
Sunny, with a high near 86. Southeast wind 11 to 17 mph.
Tuesday Night
Mostly clear, with a low around 80. Southeast wind 10 to 15 mph.
Wednesday
Sunny, with a high near 86. Southeast wind 9 to 15 mph.
Wednesday Night
Mostly clear, with a low around 80.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Port Isabel TX
26.08°N 97.21°W
26.08°N 97.21°W
2:30 pm CDT Jul 31, 2026
2pm CDT Jul 31, 2026-6pm CDT Aug 6, 2026
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