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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!
- 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.
A Few Clouds
83°F
28°C
| Humidity | 82% |
| Wind Speed | S 8 mph |
| Barometer | 30.00 in (1015.8 mb) |
| Dewpoint | 77°F (25°C) |
| Visibility | 10.00 mi |
| Heat Index | 92°F (33°C) |
| Last update | 10 Aug 1:53 am CDT |
Extended Forecast for
Port Isabel-Cameron County Airport TX
Overnight

Low: 79 °F
Partly Cloudy
Monday
High: 95 °F
Mostly Sunny
then Mostly
Sunny and
BreezyMonday Night

Low: 80 °F
Mostly Clear
Tuesday
High: 95 °F
Sunny then
Sunny and
BreezyTuesday Night

Low: 80 °F
Mostly Clear
Wednesday
High: 96 °F
Sunny then
Sunny and
BreezyWednesday Night
Low: 81 °F
Mostly Clear
and Breezy
then Mostly
ClearThursday

High: 96 °F
Sunny and
BreezyThursday Night
Low: 80 °F
Mostly Clear
and Breezy
then Mostly
Clear
Detailed Forecast
Overnight
Partly cloudy, with a low around 79. South southeast wind around 7 mph.
Monday
Mostly sunny, with a high near 95. Heat index values as high as 107. Breezy, with a south southeast wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 25 mph.
Monday Night
Mostly clear, with a low around 80. Southeast wind 9 to 16 mph, with gusts as high as 22 mph.
Tuesday
Sunny, with a high near 95. Heat index values as high as 108. Breezy, with a southeast wind 8 to 18 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 80. Southeast wind 10 to 16 mph, with gusts as high as 22 mph.
Wednesday
Sunny, with a high near 96. Breezy, with a south southeast wind 10 to 15 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 32 mph.
Wednesday Night
Mostly clear, with a low around 81. Breezy, with a south southeast wind 14 to 21 mph, with gusts as high as 28 mph.
Thursday
Sunny, with a high near 96. Breezy, with a southeast wind 13 to 22 mph, with gusts as high as 31 mph.
Thursday Night
Mostly clear, with a low around 80. Breezy, with a southeast wind 9 to 18 mph, with gusts as high as 28 mph.
Friday
Mostly sunny, with a high near 96. South southeast wind 10 to 17 mph, with gusts as high as 28 mph.
Friday Night
Partly cloudy, with a low around 80. South southeast wind 8 to 15 mph, with gusts as high as 24 mph.
Saturday
Mostly sunny, with a high near 95.
Saturday Night
Partly cloudy, with a low around 79.
Sunday
Mostly sunny, with a high near 95.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Port Isabel-Cameron County Airport TX
26.15°N 97.34°W
26.15°N 97.34°W
2:45 am CDT Aug 10, 2026
2am CDT Aug 10, 2026-6pm CDT Aug 16, 2026


