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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: Hot, Windy, and Rain-Free Weather Since Late June Brought on a Rapid-Onset Drought to Portions of the RGV in Early August
- 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
- 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.
Fair
90°F
32°C
| Humidity | 68% |
| Wind Speed | SE 17 mph |
| Barometer | 30.00 in (1015.7 mb) |
| Dewpoint | 78°F (26°C) |
| Visibility | 10.00 mi |
| Heat Index | 105°F (41°C) |
| Last update | 14 Aug 5:53 pm CDT |
Extended Forecast for
4 Miles SSW Port Isabel TX
Tonight

Low: 82 °F
Partly Cloudy
Saturday

High: 89 °F
Sunny
Saturday Night

Low: 81 °F
Mostly Clear
Sunday

High: 89 °F
Sunny
Sunday Night

Low: 80 °F
Mostly Clear
Monday

High: 89 °F
Sunny
Monday Night

Low: 79 °F
Mostly Clear
Tuesday

High: 93 °F
Sunny
Tuesday Night

Low: 80 °F
Clear
Detailed Forecast
Tonight
Partly cloudy, with a low around 82. Southeast wind 11 to 17 mph.
Saturday
Sunny, with a high near 89. East southeast wind 9 to 16 mph.
Saturday Night
Mostly clear, with a low around 81. East southeast wind 8 to 14 mph.
Sunday
Sunny, with a high near 89. East southeast wind 5 to 15 mph.
Sunday Night
Mostly clear, with a low around 80. East southeast wind 5 to 14 mph.
Monday
Sunny, with a high near 89. Light south southeast wind becoming east southeast 9 to 14 mph in the morning.
Monday Night
Mostly clear, with a low around 79. Southeast wind 5 to 11 mph.
Tuesday
Sunny, with a high near 93. Southeast wind 5 to 15 mph.
Tuesday Night
Clear, with a low around 80. South southeast wind 8 to 13 mph.
Wednesday
Sunny, with a high near 94. Southeast wind 8 to 16 mph.
Wednesday Night
Mostly clear, with a low around 80. South southeast wind 9 to 15 mph.
Thursday
Sunny, with a high near 94.
Thursday Night
Mostly clear, with a low around 80.
Friday
Sunny, with a high near 94.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
4 Miles SSW Port Isabel TX
26.01°N 97.24°W
26.01°N 97.24°W
6:45 pm CDT Aug 14, 2026
6pm CDT Aug 14, 2026-6pm CDT Aug 21, 2026


