News Headlines
- WE ARE HIRING: NWS Brownsville/Rio Grande Valley is officially hiring a GS-5/7/9 Meteorologist. Apply today at USAJobs!
- New: August-October 2026 Outlook - Hotter Than Normal And Mainly Dry Conditions Are Expected To Continue; Could Turn Wetter Towards The Fall; Heat Risk, Drought, Fire Weather, And Water Supply Issues Remain In Focus
- Notice: Rio Grande City NOAA Weather Radio Remains Out of Service Until Further Notice
- 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
Hazardous Weather Conditions
Current conditions at
Port Isabel, Port Isabel-Cameron County Airport (KPIL)
Lat: 26.16°NLon: 97.34°WElev: 16ft.
Partly Cloudy
92°F
33°C
| Humidity | 60% |
| Wind Speed | S 17 G 28 mph |
| Barometer | 29.91 in (1012.8 mb) |
| Dewpoint | 76°F (24°C) |
| Visibility | 10.00 mi |
| Heat Index | 105°F (41°C) |
| Last update | 4 Aug 10:53 am CDT |
Extended Forecast for
5 Miles S Port Isabel TX
Today
High: 93 °F
Sunny and
BreezyTonight
Low: 81 °F
Mostly Clear
Wednesday
High: 93 °F
Mostly Sunny
Wednesday Night
Low: 80 °F
Mostly Clear
Thursday
High: 93 °F
Sunny
Thursday Night
Low: 80 °F
Mostly Clear
Friday
High: 92 °F
Sunny
Friday Night
Low: 79 °F
Mostly Clear
Saturday
High: 92 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 93. Breezy, with a south southeast wind 16 to 18 mph.
Tonight
Mostly clear, with a low around 81. Southeast wind 9 to 15 mph.
Wednesday
Mostly sunny, with a high near 93. Southeast wind 9 to 16 mph.
Wednesday Night
Mostly clear, with a low around 80. Southeast wind 7 to 13 mph.
Thursday
Sunny, with a high near 93. South southeast wind 7 to 15 mph.
Thursday Night
Mostly clear, with a low around 80. South southeast wind 5 to 14 mph.
Friday
Sunny, with a high near 92. East southeast wind 5 to 14 mph.
Friday Night
Mostly clear, with a low around 79. East southeast wind 5 to 10 mph becoming light south southeast after midnight.
Saturday
Sunny, with a high near 92. Light south southeast wind becoming east 6 to 11 mph in the morning.
Saturday Night
Mostly clear, with a low around 80. East southeast wind 5 to 10 mph becoming light south southeast after midnight.
Sunday
Mostly sunny, with a high near 92. Light south southeast wind becoming east southeast 8 to 13 mph in the morning.
Sunday Night
Mostly clear, with a low around 80.
Monday
Sunny, with a high near 93.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
5 Miles S Port Isabel TX
25.99°N 97.21°W
25.99°N 97.21°W
11:00 am CDT Aug 4, 2026
11am CDT Aug 4, 2026-6pm CDT Aug 10, 2026
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