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
73°F
23°C
| Humidity | 76% |
| Wind Speed | SE 9 mph |
| Barometer | 29.96 in (1014.4 mb) |
| Dewpoint | 65°F (18°C) |
| Visibility | 10.00 mi |
| Last update | 10 Dec 5:53 pm CST |
Extended Forecast for
Port Isabel TX
Tonight
Low: 64 °F
Mostly Cloudy
Thursday
High: 74 °F
Mostly Sunny
Thursday Night
Low: 65 °F
Mostly Clear
Friday
High: 79 °F
Mostly Sunny
Friday Night
Low: 67 °F
Partly Cloudy
then Slight
Chance
T-stormsSaturday
High: 78 °F
Chance
T-stormsSaturday Night
Low: 67 °F
Mostly Clear
Sunday
High: 76 °F
Chance
ShowersSunday Night
Low: 66 °F
Slight Chance
Showers then
Mostly Cloudy
Detailed Forecast
Tonight
Mostly cloudy, with a low around 64. Southeast wind around 6 mph becoming light and variable.
Thursday
Mostly sunny, with a high near 74. North northwest wind 7 to 10 mph.
Thursday Night
Mostly clear, with a low around 65. Northeast wind around 6 mph becoming south after midnight.
Friday
Mostly sunny, with a high near 79. South wind 6 to 11 mph.
Friday Night
A 20 percent chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 67. Southeast wind 6 to 8 mph.
Saturday
A chance of showers and thunderstorms before 3pm, then a slight chance of showers. Mostly sunny, with a high near 78. Southeast wind 6 to 10 mph. Chance of precipitation is 30%.
Saturday Night
Mostly clear, with a low around 67. Southeast wind 5 to 8 mph.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 76. East northeast wind 5 to 14 mph.
Sunday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 66. East northeast wind 10 to 13 mph, with gusts as high as 20 mph.
Monday
Partly sunny, with a high near 74. East wind 10 to 14 mph.
Monday Night
Mostly cloudy, with a low around 66. Southeast wind 8 to 10 mph.
Tuesday
Partly sunny, with a high near 76.
Tuesday Night
Mostly cloudy, with a low around 66.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 78.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Port Isabel TX
26.06°N 97.21°W
26.06°N 97.21°W
6:18 pm CST Dec 10, 2025
6pm CST Dec 10, 2025-6pm CST Dec 17, 2025
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