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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!
- Rapid-Onset (Flash) Drought Continues to Increase Across the RGV/Deep S. Texas Ranchlands. Click Here for Details.
- 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
84°F
29°C
| Humidity | 72% |
| Wind Speed | S 8 mph |
| Barometer | 29.93 in (1013.4 mb) |
| Dewpoint | 74°F (23°C) |
| Visibility | 10.00 mi |
| Heat Index | 91°F (33°C) |
| Last update | 27 Aug 9:53 pm CDT |
Extended Forecast for
Port Isabel TX
Tonight
Low: 80 °F
Mostly Clear
Friday
High: 89 °F
Sunny
Friday Night
Low: 80 °F
Mostly Clear
Saturday
High: 88 °F
Sunny
Saturday Night
Low: 81 °F
Mostly Clear
Sunday
High: 89 °F
Sunny
Sunday Night
Low: 81 °F
Mostly Clear
Monday
High: 87 °F
Sunny
Monday Night
Low: 81 °F
Mostly Clear
Detailed Forecast
Tonight
Mostly clear, with a low around 80. South southeast wind 8 to 10 mph.
Friday
Sunny, with a high near 89. East southeast wind 6 to 14 mph.
Friday Night
Mostly clear, with a low around 80. Southeast wind 6 to 11 mph.
Saturday
Sunny, with a high near 88. Light and variable wind becoming east 8 to 13 mph in the morning.
Saturday Night
Mostly clear, with a low around 81. East southeast wind 8 to 11 mph.
Sunday
Sunny, with a high near 89. Southeast wind 6 to 15 mph.
Sunday Night
Mostly clear, with a low around 81. Southeast wind 10 to 14 mph.
Monday
Sunny, with a high near 87. Southeast wind 9 to 16 mph.
Monday Night
Mostly clear, with a low around 81. Southeast wind 9 to 14 mph.
Tuesday
Sunny, with a high near 86. South southeast wind 8 to 15 mph.
Tuesday Night
Mostly clear, with a low around 81. Southeast wind 7 to 14 mph.
Wednesday
Sunny, with a high near 86.
Wednesday Night
Mostly clear, with a low around 81.
Thursday
Sunny, with a high near 86.
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
10:45 pm CDT Aug 27, 2026
10pm CDT Aug 27, 2026-6pm CDT Sep 3, 2026
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