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- WE ARE HIRING: NWS Brownsville/Rio Grande Valley is officially hiring a GS-5/7/9 Meteorologist. Apply today at USAJobs!
- 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
- The 2026 Hurricane Season is Here! Are You Ready? Know Your Risk, Check Your Plans, Restock Your Kits, and More
Current conditions at
Port Isabel, Port Isabel-Cameron County Airport (KPIL)
Lat: 26.16°NLon: 97.34°WElev: 16ft.
Fair
80°F
27°C
| Humidity | 94% |
| Wind Speed | SE 6 mph |
| Barometer | 29.98 in (1015.1 mb) |
| Dewpoint | 78°F (26°C) |
| Visibility | 7.00 mi |
| Heat Index | 86°F (30°C) |
| Last update | 12 Jul 4:53 am CDT |
Extended Forecast for
5 Miles SSW Port Isabel TX
Today
High: 88 °F
Mostly Sunny
then Slight
Chance
ShowersTonight
Low: 81 °F
Partly Cloudy
Monday
High: 88 °F
Mostly Sunny
Monday Night
Low: 81 °F
Partly Cloudy
Tuesday
High: 88 °F
Partly Sunny
Tuesday Night
Low: 81 °F
Mostly Cloudy
Wednesday
High: 87 °F
Partly Sunny
Wednesday Night
Low: 80 °F
Mostly Cloudy
Thursday
High: 90 °F
Partly Sunny
Detailed Forecast
Today
A slight chance of showers between noon and 2pm. Mostly sunny, with a high near 88. South southeast wind 7 to 16 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 81. Southeast wind 9 to 15 mph.
Monday
Mostly sunny, with a high near 88. South southeast wind 8 to 16 mph.
Monday Night
Partly cloudy, with a low around 81. Southeast wind 8 to 14 mph.
Tuesday
Partly sunny, with a high near 88. South southeast wind 8 to 15 mph.
Tuesday Night
Mostly cloudy, with a low around 81. Southeast wind 10 to 14 mph.
Wednesday
Partly sunny, with a high near 87. Southeast wind 10 to 16 mph.
Wednesday Night
Mostly cloudy, with a low around 80. East southeast wind 9 to 14 mph.
Thursday
Partly sunny, with a high near 90. Southeast wind 9 to 16 mph.
Thursday Night
Partly cloudy, with a low around 80. Southeast wind 8 to 14 mph.
Friday
Mostly sunny, with a high near 90. Southeast wind 8 to 16 mph.
Friday Night
Partly cloudy, with a low around 80.
Saturday
Mostly sunny, with a high near 91.
Additional Forecasts and Information
Basemap Options
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
5 Miles SSW Port Isabel TX
26.01°N 97.26°W
26.01°N 97.26°W
5:00 am CDT Jul 12, 2026
5am CDT Jul 12, 2026-6pm CDT Jul 18, 2026
Additional Resources
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Hourly Weather Forecast
