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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
92°F
33°C
| Humidity | 62% |
| Wind Speed | E 18 mph |
| Barometer | 30.00 in (1015.7 mb) |
| Dewpoint | 77°F (25°C) |
| Visibility | 10.00 mi |
| Heat Index | 106°F (41°C) |
| Last update | 28 Aug 1:53 pm CDT |
Extended Forecast for
Port Isabel TX
This Afternoon

High: 86 °F
Sunny
Tonight

Low: 80 °F
Mostly Clear
Saturday

High: 86 °F
Sunny
Saturday Night

Low: 81 °F
Mostly Clear
Sunday

High: 87 °F
Sunny
Sunday Night

Low: 81 °F
Mostly Clear
Monday

High: 87 °F
Sunny
Monday Night

Low: 81 °F
Mostly Clear
Tuesday

High: 87 °F
Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 86. East southeast wind around 14 mph.
Tonight
Mostly clear, with a low around 80. East southeast wind 6 to 11 mph becoming light south after midnight.
Saturday
Sunny, with a high near 86. Light southeast wind becoming east 8 to 13 mph in the morning.
Saturday Night
Mostly clear, with a low around 81. East southeast wind 6 to 11 mph.
Sunday
Sunny, with a high near 87. Southeast wind 5 to 15 mph.
Sunday Night
Mostly clear, with a low around 81. Southeast wind 9 to 14 mph.
Monday
Sunny, with a high near 87. Southeast wind 9 to 17 mph.
Monday Night
Mostly clear, with a low around 81. South southeast wind 8 to 14 mph.
Tuesday
Sunny, with a high near 87. Southeast wind 6 to 15 mph.
Tuesday Night
Mostly clear, with a low around 81. Southeast wind 7 to 13 mph.
Wednesday
Sunny, with a high near 87. East southeast wind 5 to 14 mph.
Wednesday Night
Mostly clear, with a low around 81.
Thursday
Sunny, with a high near 87.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Port Isabel TX
26.08°N 97.24°W
26.08°N 97.24°W
2:18 pm CDT Aug 28, 2026
2pm CDT Aug 28, 2026-6pm CDT Sep 3, 2026


