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
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 | SE 9 mph |
| Barometer | 29.97 in (1014.7 mb) |
| Dewpoint | 78°F (26°C) |
| Visibility | 10.00 mi |
| Heat Index | 95°F (35°C) |
| Last update | 5 Aug 7:53 am CDT |
Extended Forecast for
4 Miles SSW Port Isabel TX
Today
High: 90 °F
Becoming
SunnyTonight
Low: 82 °F
Mostly Clear
Thursday
High: 90 °F
Sunny
Thursday Night
Low: 81 °F
Clear
Friday
High: 88 °F
Sunny
Friday Night
Low: 80 °F
Mostly Clear
Saturday
High: 88 °F
Sunny
Saturday Night
Low: 79 °F
Mostly Clear
Sunday
High: 92 °F
Slight Chance
T-storms
Detailed Forecast
Today
Partly sunny, then gradually becoming sunny, with a high near 90. Southeast wind 13 to 17 mph.
Tonight
Mostly clear, with a low around 82. Southeast wind 9 to 14 mph.
Thursday
Sunny, with a high near 90. South southeast wind 9 to 16 mph.
Thursday Night
Clear, with a low around 81. South southeast wind 7 to 15 mph.
Friday
Sunny, with a high near 88. East southeast wind 6 to 15 mph.
Friday Night
Mostly clear, with a low around 80. East southeast wind 8 to 13 mph becoming light south southeast after midnight.
Saturday
Sunny, with a high near 88. Light southeast wind becoming east 8 to 13 mph in the morning.
Saturday Night
Mostly clear, with a low around 79. East wind 5 to 10 mph becoming light south southeast after midnight.
Sunday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 92. Light south southeast wind becoming east southeast 8 to 13 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 80. East southeast wind 7 to 11 mph.
Monday
Sunny, with a high near 93. South southeast wind 6 to 16 mph.
Monday Night
Mostly clear, with a low around 81.
Tuesday
Sunny, with a high near 93. Breezy.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles SSW Port Isabel TX
26.01°N 97.24°W
26.01°N 97.24°W
8:18 am CDT Aug 5, 2026
8am CDT Aug 5, 2026-6pm CDT Aug 11, 2026
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