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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
91°F
33°C
| Humidity | 64% |
| Wind Speed | E 16 mph |
| Barometer | 29.96 in (1014.5 mb) |
| Dewpoint | 77°F (25°C) |
| Visibility | 10.00 mi |
| Heat Index | 105°F (41°C) |
| Last update | 8 Aug 4:53 pm CDT |
Extended Forecast for
Port Isabel-Cameron County Airport TX
Tonight
Low: 78 °F
Partly Cloudy
Sunday
High: 92 °F
Slight Chance
T-storms then
Chance
ShowersSunday Night
Low: 79 °F
Mostly Clear
Monday
High: 94 °F
Sunny then
Sunny and
BreezyMonday Night
Low: 80 °F
Mostly Clear
Tuesday
High: 95 °F
Sunny then
Sunny and
BreezyTuesday Night
Low: 80 °F
Clear
Wednesday
High: 97 °F
Sunny then
Sunny and
BreezyWednesday Night
Low: 80 °F
Clear and
Breezy then
Mostly Clear
Detailed Forecast
Tonight
Partly cloudy, with a low around 78. East wind 8 to 13 mph becoming light and variable after midnight.
Sunday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 92. Light and variable wind becoming east 8 to 13 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 79. East southeast wind 7 to 11 mph.
Monday
Sunny, with a high near 94. Heat index values as high as 108. Breezy, with a southeast wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 24 mph.
Monday Night
Mostly clear, with a low around 80. Southeast wind 10 to 16 mph, with gusts as high as 22 mph.
Tuesday
Sunny, with a high near 95. Breezy, with a southeast wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 26 mph.
Tuesday Night
Clear, with a low around 80. Southeast wind 9 to 16 mph, with gusts as high as 23 mph.
Wednesday
Sunny, with a high near 97. Breezy, with a south southeast wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 33 mph.
Wednesday Night
Clear, with a low around 80. Breezy, with a south southeast wind 13 to 18 mph, with gusts as high as 29 mph.
Thursday
Sunny, with a high near 96. Breezy, with a south southeast wind 13 to 21 mph, with gusts as high as 32 mph.
Thursday Night
Mostly clear, with a low around 80. Breezy, with a south southeast wind 11 to 18 mph, with gusts as high as 29 mph.
Friday
Sunny, with a high near 96. Breezy.
Friday Night
Mostly clear, with a low around 80.
Saturday
Sunny, with a high near 95.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Port Isabel-Cameron County Airport TX
26.15°N 97.34°W
26.15°N 97.34°W
5:25 pm CDT Aug 8, 2026
5pm CDT Aug 8, 2026-6pm CDT Aug 15, 2026
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