News Headlines
- 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
- 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
Current conditions at
Port Isabel, Port Isabel-Cameron County Airport (KPIL)
Lat: 26.16°NLon: 97.34°WElev: 16ft.
Mostly Cloudy
81°F
27°C
| Humidity | 88% |
| Wind Speed | SE 5 mph |
| Barometer | 29.98 in (1015.3 mb) |
| Dewpoint | 77°F (25°C) |
| Visibility | 10.00 mi |
| Heat Index | 88°F (31°C) |
| Last update | 9 Aug 2:53 am CDT |
Extended Forecast for
Port Isabel TX
Overnight
Low: 79 °F
Mostly Clear
Sunday
High: 85 °F
Mostly Sunny
Sunday Night
Low: 80 °F
Mostly Clear
Monday
High: 86 °F
Sunny
Monday Night
Low: 81 °F
Mostly Clear
Tuesday
High: 87 °F
Sunny
Tuesday Night
Low: 81 °F
Clear
Wednesday
High: 87 °F
Sunny then
Sunny and
BreezyWednesday Night
Low: 81 °F
Clear and
Breezy then
Mostly Clear
Detailed Forecast
Overnight
Mostly clear, with a low around 79. Light southeast wind.
Sunday
Mostly sunny, with a high near 85. Light east southeast wind becoming east 8 to 13 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 80. South wind 8 to 10 mph.
Monday
Sunny, with a high near 86. Southeast wind 6 to 16 mph.
Monday Night
Mostly clear, with a low around 81. Southeast wind 9 to 15 mph.
Tuesday
Sunny, with a high near 87. Southeast wind 8 to 16 mph.
Tuesday Night
Clear, with a low around 81. South southeast wind 11 to 15 mph.
Wednesday
Sunny, with a high near 87. Breezy, with a south southeast wind 11 to 20 mph.
Wednesday Night
Clear, with a low around 81. Breezy, with a south southeast wind 14 to 18 mph.
Thursday
Sunny, with a high near 87. Breezy, with a south southeast wind 14 to 20 mph.
Thursday Night
Mostly clear, with a low around 82. South southeast wind 11 to 17 mph, with gusts as high as 22 mph.
Friday
Sunny, with a high near 87. Breezy.
Friday Night
Mostly clear, with a low around 80.
Saturday
Mostly 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 97.24°W
26.08°N 97.24°W
3:45 am CDT Aug 9, 2026
3am CDT Aug 9, 2026-6pm CDT Aug 15, 2026
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