News Headlines
- 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
- WE ARE HIRING: NWS Brownsville/Rio Grande Valley is officially hiring a GS-5/7/9 Meteorologist. Apply today at USAJobs!
- 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
- Guia de Huracanes 2026 del Valle del Rio Grande/Extremo Sur de Texas
Hazardous Weather Conditions
Current conditions at
Port Isabel, Port Isabel-Cameron County Airport (KPIL)
Lat: 26.16°NLon: 97.34°WElev: 16ft.
Fair
81°F
27°C
| Humidity | 91% |
| Wind Speed | Calm |
| Barometer | 29.87 in (1011.3 mb) |
| Dewpoint | 78°F (26°C) |
| Visibility | 9.00 mi |
| Heat Index | 89°F (32°C) |
| Last update | 2 Aug 6:53 am CDT |
Extended Forecast for
4 Miles SSW Port Isabel TX
Heat Advisory August 2, 11:00am until August 2, 06:00pm
Today
High: 91 °F
Sunny
Tonight
Low: 80 °F
Mostly Clear
Monday
High: 90 °F
Mostly Sunny
Monday Night
Low: 81 °F
Mostly Clear
Tuesday
High: 90 °F
Mostly Sunny
then Sunny
and BreezyTuesday Night
Low: 81 °F
Mostly Clear
Wednesday
High: 90 °F
Sunny
Wednesday Night
Low: 80 °F
Mostly Clear
Thursday
High: 93 °F
Slight Chance
T-storms
Detailed Forecast
Today
Sunny, with a high near 91. Southeast wind 6 to 16 mph.
Tonight
Mostly clear, with a low around 80. South wind 7 to 13 mph.
Monday
Mostly sunny, with a high near 90. South southeast wind 7 to 17 mph.
Monday Night
Mostly clear, with a low around 81. South southeast wind 10 to 15 mph.
Tuesday
Sunny, with a high near 90. Breezy, with a southeast wind 10 to 18 mph.
Tuesday Night
Mostly clear, with a low around 81. Southeast wind 9 to 16 mph.
Wednesday
Sunny, with a high near 90. Southeast wind 9 to 16 mph.
Wednesday Night
Mostly clear, with a low around 80. Southeast wind 7 to 13 mph.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 93. South southeast wind 6 to 15 mph.
Thursday Night
A 20 percent chance of showers after 1am. Mostly clear, with a low around 80. Southeast wind 8 to 13 mph becoming light south southeast after midnight.
Friday
Sunny, with a high near 92. Light southeast wind becoming east southeast 8 to 13 mph in the morning.
Friday Night
Mostly clear, with a low around 80.
Saturday
Sunny, with a high near 92.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles SSW Port Isabel TX
26.01°N 97.24°W
26.01°N 97.24°W
7:18 am CDT Aug 2, 2026
7am CDT Aug 2, 2026-6pm CDT Aug 8, 2026
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Hourly Weather Forecast
