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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
- 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
92°F
33°C
| Humidity | 64% |
| Wind Speed | SE 16 G 24 mph |
| Barometer | 30.09 in (1018.8 mb) |
| Dewpoint | 78°F (26°C) |
| Visibility | 10.00 mi |
| Heat Index | 108°F (42°C) |
| Last update | 16 Aug 1:53 pm CDT |
Extended Forecast for
Port Isabel-Cameron County Airport TX
This Afternoon
High: 94 °F
Slight Chance
T-stormsTonight
Low: 78 °F
Mostly Clear
Monday
High: 94 °F
Sunny
Monday Night
Low: 78 °F
Mostly Clear
Tuesday
High: 96 °F
Sunny
Tuesday Night
Low: 78 °F
Mostly Clear
Wednesday
High: 96 °F
Mostly Sunny
Wednesday Night
Low: 79 °F
Mostly Clear
Thursday
High: 97 °F
Sunny
Detailed Forecast
This Afternoon
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 94. Heat index values as high as 109. East wind around 14 mph.
Tonight
Mostly clear, with a low around 78. East southeast wind 6 to 11 mph becoming light southeast after midnight.
Monday
Sunny, with a high near 94. Heat index values as high as 108. Light east wind becoming east southeast 9 to 14 mph in the morning.
Monday Night
Mostly clear, with a low around 78. South southeast wind 5 to 11 mph.
Tuesday
Sunny, with a high near 96. Light south southeast wind becoming southeast 10 to 15 mph in the morning.
Tuesday Night
Mostly clear, with a low around 78. South southeast wind 6 to 13 mph.
Wednesday
Mostly sunny, with a high near 96. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 79. South southeast wind 7 to 14 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 97. South southeast wind 7 to 16 mph, with gusts as high as 21 mph.
Thursday Night
Mostly clear, with a low around 79. South southeast wind 8 to 15 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 97. South southeast wind 7 to 16 mph, with gusts as high as 21 mph.
Friday Night
Mostly clear, with a low around 78.
Saturday
Sunny, with a high near 98.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Port Isabel-Cameron County Airport TX
26.17°N 97.34°W
26.17°N 97.34°W
2:30 pm CDT Aug 16, 2026
2pm CDT Aug 16, 2026-6pm CDT Aug 22, 2026
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