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.
Mostly Cloudy
74°F
23°C
| Humidity | 74% |
| Wind Speed | Calm |
| Barometer | 30.11 in (1019.5 mb) |
| Dewpoint | 65°F (18°C) |
| Visibility | 10.00 mi |
| Last update | 11 Dec 10:53 am CST |
Extended Forecast for
Port Isabel TX
Today

High: 72 °F
Mostly Sunny
Tonight

Low: 66 °F
Mostly Clear
Friday

High: 77 °F
Mostly Sunny
Friday Night
Low: 70 °F
Partly Cloudy
then Slight
Chance
T-stormsSaturday

High: 76 °F
Chance
T-stormsSaturday Night
Low: 68 °F
Mostly Clear
then Slight
Chance
T-stormsSunday

High: 74 °F
Showers
Likely and
BreezySunday Night

Low: 64 °F
Chance
Showers and
BreezyMonday

High: 68 °F
Mostly Cloudy
Detailed Forecast
Today
Mostly sunny, with a high near 72. North northwest wind 7 to 9 mph.
Tonight
Mostly clear, with a low around 66. Northeast wind 6 to 10 mph becoming south after midnight.
Friday
Mostly sunny, with a high near 77. South wind 10 to 14 mph.
Friday Night
A 20 percent chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 70. Southeast wind 8 to 10 mph.
Saturday
A 30 percent chance of showers and thunderstorms, mainly before noon. Mostly sunny, with a high near 76. Southeast wind 8 to 10 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms after midnight. Mostly clear, with a low around 68. Southeast wind 5 to 9 mph becoming east northeast after midnight.
Sunday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 74. Breezy, with a north northeast wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Chance of precipitation is 60%.
Sunday Night
A 30 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 64. Breezy, with a northeast wind 17 to 21 mph, with gusts as high as 26 mph.
Monday
Mostly cloudy, with a high near 68. Northeast wind 11 to 16 mph.
Monday Night
Mostly cloudy, with a low around 64. East northeast wind around 10 mph becoming southeast after midnight.
Tuesday
Mostly cloudy, with a high near 73. Southeast wind 10 to 14 mph.
Tuesday Night
Mostly cloudy, with a low around 68.
Wednesday
Partly sunny, with a high near 75.
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
11:31 am CST Dec 11, 2025
11am CST Dec 11, 2025-6pm CST Dec 17, 2025


