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
5 Miles SSW Port Isabel TX
Tonight
Low: 61 °F
Patchy Fog
then Mostly
CloudyThursday

High: 76 °F
Mostly Sunny
Thursday Night

Low: 64 °F
Mostly Clear
Friday

High: 81 °F
Mostly Sunny
Friday Night

Low: 67 °F
Partly Cloudy
Saturday

High: 80 °F
Chance
T-stormsSaturday Night

Low: 66 °F
Mostly Clear
Sunday

High: 79 °F
Chance
ShowersSunday Night
Low: 65 °F
Slight Chance
Showers then
Mostly Cloudy
Detailed Forecast
Tonight
Patchy fog between 11pm and midnight. Otherwise, mostly cloudy, with a low around 61. Southeast wind around 5 mph becoming calm.
Thursday
Mostly sunny, with a high near 76. North northwest wind 6 to 9 mph.
Thursday Night
Mostly clear, with a low around 64. Calm wind becoming south southeast around 6 mph after midnight.
Friday
Mostly sunny, with a high near 81. South wind 6 to 13 mph.
Friday Night
Partly cloudy, with a low around 67. Southeast wind 3 to 7 mph.
Saturday
A 30 percent chance of showers and thunderstorms, mainly before noon. Mostly sunny, with a high near 80. Light southeast wind increasing to 5 to 10 mph in the morning.
Saturday Night
Mostly clear, with a low around 66. Southeast wind 5 to 7 mph becoming calm in the evening.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 79. Light east southeast wind becoming east northeast 9 to 14 mph in the morning.
Sunday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 65. East northeast wind 8 to 11 mph, with gusts as high as 20 mph.
Monday
Partly sunny, with a high near 76. East wind 8 to 13 mph.
Monday Night
Mostly cloudy, with a low around 65. Southeast wind 6 to 9 mph.
Tuesday
Partly sunny, with a high near 78.
Tuesday Night
Mostly cloudy, with a low around 66.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 80.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
5 Miles SSW Port Isabel TX
25.99°N 97.26°W
25.99°N 97.26°W
6:18 pm CST Dec 10, 2025
6pm CST Dec 10, 2025-6pm CST Dec 17, 2025


