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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 | 82% |
| Wind Speed | S 7 mph |
| Barometer | 30.00 in (1015.9 mb) |
| Dewpoint | 78°F (26°C) |
| Visibility | 9.00 mi |
| Heat Index | 95°F (35°C) |
| Last update | 28 Aug 8:53 am CDT |
Extended Forecast for
6 Miles SSE Port Isabel TX
Today
High: 93 °F
Sunny
Tonight
Low: 79 °F
Mostly Clear
Saturday
High: 92 °F
Sunny
Saturday Night
Low: 79 °F
Mostly Clear
Sunday
High: 93 °F
Sunny
Sunday Night
Low: 80 °F
Mostly Clear
Monday
High: 93 °F
Sunny
Monday Night
Low: 80 °F
Mostly Clear
Tuesday
High: 93 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 93. Light south southeast wind becoming east southeast 8 to 13 mph in the morning.
Tonight
Mostly clear, with a low around 79. East southeast wind 5 to 10 mph becoming light south after midnight.
Saturday
Sunny, with a high near 92. Light south southeast wind becoming east 8 to 13 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 79. East southeast wind 5 to 10 mph becoming south after midnight.
Sunday
Sunny, with a high near 93. East southeast wind 5 to 14 mph.
Sunday Night
Mostly clear, with a low around 80. Southeast wind 9 to 14 mph.
Monday
Sunny, with a high near 93. Southeast wind 8 to 17 mph.
Monday Night
Mostly clear, with a low around 80. Southeast wind 8 to 15 mph.
Tuesday
Sunny, with a high near 93. Southeast wind 7 to 16 mph.
Tuesday Night
Mostly clear, with a low around 80. Southeast wind 6 to 14 mph.
Wednesday
Mostly sunny, with a high near 93. East southeast wind 5 to 14 mph.
Wednesday Night
Mostly clear, with a low around 80.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 93.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
6 Miles SSE Port Isabel TX
25.99°N 97.19°W
25.99°N 97.19°W
9:30 am CDT Aug 28, 2026
9am CDT Aug 28, 2026-6pm CDT Sep 3, 2026
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