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.
Fair
81°F
27°C
| Humidity | 88% |
| Wind Speed | S 6 mph |
| Barometer | 29.98 in (1015.0 mb) |
| Dewpoint | 77°F (25°C) |
| Visibility | 10.00 mi |
| Heat Index | 88°F (31°C) |
| Last update | 10 Aug 4:53 am CDT |
Extended Forecast for
3 Miles SSW Port Isabel TX
Today

High: 93 °F
Mostly Sunny
Tonight

Low: 80 °F
Mostly Clear
Tuesday

High: 93 °F
Sunny
Tuesday Night

Low: 80 °F
Mostly Clear
Wednesday
High: 94 °F
Sunny then
Sunny and
BreezyWednesday Night

Low: 81 °F
Mostly Clear
Thursday
High: 93 °F
Sunny then
Sunny and
BreezyThursday Night
Low: 81 °F
Mostly Clear
and Breezy
then Mostly
ClearFriday

High: 93 °F
Mostly Sunny
Detailed Forecast
Today
Mostly sunny, with a high near 93. Southeast wind 6 to 16 mph.
Tonight
Mostly clear, with a low around 80. Southeast wind 8 to 15 mph.
Tuesday
Sunny, with a high near 93. South southeast wind 7 to 17 mph.
Tuesday Night
Mostly clear, with a low around 80. Southeast wind 9 to 15 mph.
Wednesday
Sunny, with a high near 94. Breezy, with a south southeast wind 10 to 20 mph.
Wednesday Night
Mostly clear, with a low around 81. South southeast wind 13 to 17 mph.
Thursday
Sunny, with a high near 93. Breezy, with a south southeast wind 13 to 20 mph.
Thursday Night
Mostly clear, with a low around 81. Breezy, with a southeast wind 10 to 18 mph.
Friday
Mostly sunny, with a high near 93. South southeast wind 10 to 17 mph.
Friday Night
Partly cloudy, with a low around 80. South southeast wind 8 to 15 mph.
Saturday
Mostly sunny, with a high near 93. Southeast wind 8 to 15 mph.
Saturday Night
Partly cloudy, with a low around 80.
Sunday
Mostly sunny, with a high near 92.
Additional Forecasts and Information
Basemap Options
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ABOUT THIS FORECAST
Point Forecast:
3 Miles SSW Port Isabel TX
26.04°N 97.24°W
26.04°N 97.24°W
5:00 am CDT Aug 10, 2026
5am CDT Aug 10, 2026-6pm CDT Aug 16, 2026


