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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
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Current conditions at
Port Isabel, Port Isabel-Cameron County Airport (KPIL)
Lat: 26.16°NLon: 97.34°WElev: 16ft.
Fair
84°F
29°C
| Humidity | 82% |
| Wind Speed | SE 12 mph |
| Barometer | 30.03 in (1016.9 mb) |
| Dewpoint | 78°F (26°C) |
| Visibility | 8.00 mi |
| Heat Index | 95°F (35°C) |
| Last update | 7 Jul 9:53 pm CDT |
Extended Forecast for
Port Isabel TX
Tonight
Low: 81 °F
Mostly Clear
Wednesday
High: 88 °F
Sunny
Wednesday Night
Low: 80 °F
Partly Cloudy
Thursday
High: 87 °F
Mostly Sunny
then Slight
Chance
T-stormsThursday Night
Low: 80 °F
Partly Cloudy
then Slight
Chance
T-stormsFriday
High: 86 °F
Chance
T-stormsFriday Night
Low: 82 °F
Partly Cloudy
then Chance
ShowersSaturday
High: 86 °F
Slight Chance
T-stormsSaturday Night
Low: 82 °F
Partly Cloudy
Detailed Forecast
Tonight
Mostly clear, with a low around 81. South southeast wind 10 to 13 mph.
Wednesday
Sunny, with a high near 88. Southeast wind 9 to 16 mph.
Wednesday Night
Partly cloudy, with a low around 80. South wind 9 to 15 mph.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. Southeast wind 9 to 16 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 80. South southeast wind 11 to 15 mph.
Friday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 86. Southeast wind 11 to 16 mph.
Friday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 82. Southeast wind 11 to 15 mph, with gusts as high as 20 mph.
Saturday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 86. Southeast wind 13 to 16 mph.
Saturday Night
Partly cloudy, with a low around 82. Southeast wind 11 to 15 mph.
Sunday
Mostly sunny, with a high near 86. Southeast wind 10 to 16 mph.
Sunday Night
Mostly clear, with a low around 82. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 86.
Monday Night
Partly cloudy, with a low around 81.
Tuesday
Mostly sunny, with a high near 86.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Port Isabel TX
26.08°N 97.21°W
26.08°N 97.21°W
10:45 pm CDT Jul 7, 2026
10pm CDT Jul 7, 2026-6pm CDT Jul 14, 2026
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