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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: July-September 2026 Outlook - Hotter Than Normal And Mainly Dry Conditions Are Expected; Heat Risk And Water Supply Issues To 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
- The 2026 Hurricane Season is Here! Are You Ready? Know Your Risk, Check Your Plans, Restock Your Kits, and More
Current conditions at
Port Isabel, Port Isabel-Cameron County Airport (KPIL)
Lat: 26.16°NLon: 97.34°WElev: 16ft.
Fog/Mist
80°F
27°C
| Humidity | 94% |
| Wind Speed | SE 6 mph |
| Barometer | 30.00 in (1015.8 mb) |
| Dewpoint | 78°F (26°C) |
| Visibility | 5.00 mi |
| Heat Index | 86°F (30°C) |
| Last update | 12 Jul 6:53 am CDT |
Extended Forecast for
5 Miles SSE Port Mansfield TX
Today
High: 87 °F
Mostly Sunny
then Slight
Chance
Showers and
BreezyTonight
Low: 81 °F
Partly Cloudy
Monday
High: 87 °F
Mostly Sunny
then Sunny
and BreezyMonday Night
Low: 81 °F
Partly Cloudy
Tuesday
High: 87 °F
Partly Sunny
Tuesday Night
Low: 82 °F
Mostly Cloudy
Wednesday
High: 86 °F
Partly Sunny
Wednesday Night
Low: 82 °F
Mostly Cloudy
Thursday
High: 87 °F
Slight Chance
T-storms and
Breezy
Detailed Forecast
Today
A slight chance of showers between noon and 1pm. Sunny, with a high near 87. Breezy, with a southeast wind 9 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 81. South southeast wind 11 to 17 mph, with gusts as high as 23 mph.
Monday
Mostly sunny, with a high near 87. Breezy, with a southeast wind 10 to 18 mph, with gusts as high as 24 mph.
Monday Night
Partly cloudy, with a low around 81. Southeast wind 11 to 17 mph, with gusts as high as 23 mph.
Tuesday
Partly sunny, with a high near 87. Southeast wind 10 to 17 mph, with gusts as high as 23 mph.
Tuesday Night
Mostly cloudy, with a low around 82. Southeast wind 14 to 17 mph, with gusts as high as 23 mph.
Wednesday
Partly sunny, with a high near 86. Southeast wind 13 to 17 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly cloudy, with a low around 82. Southeast wind 15 to 17 mph, with gusts as high as 23 mph.
Thursday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 87. Breezy, with an east southeast wind 13 to 18 mph, with gusts as high as 24 mph.
Thursday Night
Partly cloudy, with a low around 82. South southeast wind 14 to 17 mph, with gusts as high as 23 mph.
Friday
Mostly sunny, with a high near 87. Breezy, with a southeast wind 11 to 18 mph, with gusts as high as 24 mph.
Friday Night
Partly cloudy, with a low around 81.
Saturday
Mostly sunny, with a high near 88.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
5 Miles SSE Port Mansfield TX
26.49°N 97.4°W
26.49°N 97.4°W
7:45 am CDT Jul 12, 2026
7am CDT Jul 12, 2026-6pm CDT Jul 18, 2026
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Hourly Weather Forecast
