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
- 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
88°F
31°C
| Humidity | 68% |
| Wind Speed | SE 20 mph |
| Barometer | 30.05 in (1017.6 mb) |
| Dewpoint | 76°F (24°C) |
| Visibility | 10.00 mi |
| Heat Index | 99°F (37°C) |
| Last update | 15 Aug 6:53 pm CDT |
Extended Forecast for
12 Miles NNE Port Mansfield TX
Tonight
Low: 82 °F
Mostly Clear
Sunday
High: 92 °F
Sunny
Sunday Night
Low: 81 °F
Mostly Clear
Monday
High: 92 °F
Sunny
Monday Night
Low: 81 °F
Mostly Clear
Tuesday
High: 92 °F
Sunny
Tuesday Night
Low: 79 °F
Mostly Clear
Wednesday
High: 94 °F
Sunny
Wednesday Night
Low: 80 °F
Mostly Clear
Detailed Forecast
Tonight
Mostly clear, with a low around 82. Southeast wind 7 to 15 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 92. Heat index values as high as 107. East wind 6 to 13 mph.
Sunday Night
Mostly clear, with a low around 81. South southeast wind 5 to 13 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 92. Heat index values as high as 106. Light south southeast wind becoming east southeast 6 to 11 mph in the morning.
Monday Night
Mostly clear, with a low around 81. Southeast wind 7 to 11 mph.
Tuesday
Sunny, with a high near 92. Southeast wind 6 to 15 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly clear, with a low around 79. Southeast wind 8 to 15 mph, with gusts as high as 22 mph.
Wednesday
Sunny, with a high near 94. Southeast wind 7 to 17 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly clear, with a low around 80. Southeast wind 9 to 16 mph, with gusts as high as 24 mph.
Thursday
Sunny, with a high near 94. Breezy, with a south southeast wind 8 to 18 mph, with gusts as high as 25 mph.
Thursday Night
Mostly clear, with a low around 80. South southeast wind 8 to 16 mph, with gusts as high as 24 mph.
Friday
Sunny, with a high near 94.
Friday Night
Mostly clear, with a low around 80.
Saturday
Sunny, with a high near 94.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
12 Miles NNE Port Mansfield TX
26.7°N 97.35°W
26.7°N 97.35°W
7:18 pm CDT Aug 15, 2026
7pm CDT Aug 15, 2026-6pm CDT Aug 22, 2026
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