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
68°F
20°C
| Humidity | 59% |
| Wind Speed | E 9 mph |
| Barometer | 30.05 in (1017.5 mb) |
| Dewpoint | 53°F (12°C) |
| Visibility | 10.00 mi |
| Last update | 9 Dec 4:53 pm CST |
Extended Forecast for
Port Isabel TX
Tonight

Low: 63 °F
Partly Cloudy
Wednesday

High: 76 °F
Mostly Sunny
Wednesday Night

Low: 65 °F
Partly Cloudy
Thursday

High: 74 °F
Mostly Sunny
Thursday Night

Low: 68 °F
Mostly Clear
Friday

High: 78 °F
Mostly Sunny
Friday Night
Low: 71 °F
Partly Cloudy
then Slight
Chance
T-stormsSaturday
High: 78 °F
Slight Chance
Showers then
Mostly SunnySaturday Night

Low: 70 °F
Mostly Clear
Detailed Forecast
Tonight
Partly cloudy, with a low around 63. East southeast wind 6 to 8 mph becoming south after midnight.
Wednesday
Mostly sunny, with a high near 76. South wind 7 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 65. Southeast wind 6 to 8 mph becoming northeast after midnight.
Thursday
Mostly sunny, with a high near 74. North wind 6 to 9 mph becoming south in the morning.
Thursday Night
Mostly clear, with a low around 68. South wind around 10 mph.
Friday
Mostly sunny, with a high near 78. South southeast wind 10 to 14 mph.
Friday Night
A 20 percent chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 71. South southeast wind 9 to 11 mph.
Saturday
A 20 percent chance of showers before noon. Mostly sunny, with a high near 78. South southeast wind 9 to 13 mph.
Saturday Night
Mostly clear, with a low around 70. Southeast wind 7 to 10 mph.
Sunday
A 30 percent chance of showers. Mostly sunny, with a high near 77. Southeast wind 7 to 14 mph becoming east northeast in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 68. East northeast wind 13 to 15 mph, with gusts as high as 20 mph.
Monday
A 20 percent chance of showers. Partly sunny, with a high near 73.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 68.
Tuesday
A 20 percent chance of showers. Partly sunny, with a high near 74.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Port Isabel TX
26.08°N 97.21°W
26.08°N 97.21°W
5:18 pm CST Dec 9, 2025
5pm CST Dec 9, 2025-6pm CST Dec 16, 2025


