News Headlines
- New: Review of Autumn 2025 in the RGV: Record to Near Record Heat, Worsening Drought, and Few and Far Between Rainstorms
- December 2025-February 2026 Outlook - Drier and Warmer than Normal Conditions Expected; Drought, Wildfire Potential, Water Supply Issues and Cold Fronts Remain In Focus
- Drought is Worsening and Increasing in Coverage Across the Area this Fall. Track Its Coverage Here.
Current conditions at
Port Isabel, Port Isabel-Cameron County Airport (KPIL)
Lat: 26.16°NLon: 97.34°WElev: 16ft.
Fair
58°F
14°C
| Humidity | 87% |
| Wind Speed | S 5 mph |
| Barometer | 30.05 in (1017.5 mb) |
| Dewpoint | 54°F (12°C) |
| Visibility | 10.00 mi |
| Last update | 9 Dec 9:53 pm CST |
Extended Forecast for
Port Isabel TX
Tonight
Low: 61 °F
Partly Cloudy
Wednesday
High: 77 °F
Mostly Sunny
Wednesday Night
Low: 63 °F
Partly Cloudy
Thursday
High: 75 °F
Mostly Sunny
Thursday Night
Low: 66 °F
Mostly Clear
Friday
High: 78 °F
Mostly Sunny
Friday Night
Low: 68 °F
Partly Cloudy
Saturday
High: 79 °F
Slight Chance
Showers then
Mostly SunnySaturday Night
Low: 68 °F
Mostly Clear
Detailed Forecast
Tonight
Partly cloudy, with a low around 61. South wind around 7 mph.
Wednesday
Mostly sunny, with a high near 77. South southeast wind 6 to 9 mph.
Wednesday Night
Partly cloudy, with a low around 63. Southeast wind around 6 mph becoming light and variable.
Thursday
Mostly sunny, with a high near 75. North wind 5 to 7 mph becoming east in the afternoon.
Thursday Night
Mostly clear, with a low around 66. East wind 6 to 8 mph becoming south after midnight.
Friday
Mostly sunny, with a high near 78. South wind 8 to 14 mph.
Friday Night
Partly cloudy, with a low around 68. South southeast wind 6 to 9 mph.
Saturday
A 20 percent chance of showers before noon. Mostly sunny, with a high near 79. South southeast wind 6 to 10 mph.
Saturday Night
Mostly clear, with a low around 68. Southeast wind 6 to 8 mph.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 78. East wind 6 to 14 mph. Chance of precipitation is 30%.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 66. East northeast wind 13 to 15 mph.
Monday
A 20 percent chance of showers. Partly sunny, with a high near 75.
Monday Night
Mostly cloudy, with a low around 67.
Tuesday
Mostly cloudy, with a high near 76.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Port Isabel TX
26.06°N 97.21°W
26.06°N 97.21°W
10:51 pm CST Dec 9, 2025
10pm CST Dec 9, 2025-6pm CST Dec 16, 2025
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
