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.
Hazardous Weather Conditions
Current conditions at
Port Isabel, Port Isabel-Cameron County Airport (KPIL)
Lat: 26.16°NLon: 97.34°WElev: 16ft.
Fog/Mist
69°F
21°C
| Humidity | 100% |
| Wind Speed | SE 5 mph |
| Barometer | 30.03 in (1016.9 mb) |
| Dewpoint | 69°F (21°C) |
| Visibility | 5.00 mi |
| Last update | 13 Dec 10:53 pm CST |
Extended Forecast for
16 Miles SE Port Mansfield TX
Dense Fog Advisory December 14, 12:00am until December 14, 08:00am
Tonight

Low: 66 °F
Partly Cloudy
Sunday

High: 70 °F⇓
Chance
Showers and
Patchy Dense
FogSunday Night
Low: 59 °F
Slight Chance
Showers and
Windy then
Cloudy and
BreezyMonday

High: 62 °F
Mostly Cloudy
Monday Night

Low: 61 °F
Mostly Cloudy
Tuesday
High: 72 °F
Mostly Cloudy
then Slight
Chance
ShowersTuesday Night

Low: 67 °F
Chance
ShowersWednesday

High: 73 °F
Chance
ShowersWednesday Night

Low: 67 °F
Partly Cloudy
Detailed Forecast
Tonight
Partly cloudy, with a low around 66. South southeast wind around 6 mph becoming north northeast after midnight.
Sunday
A chance of showers and thunderstorms before noon, then a chance of showers between noon and 1pm. Patchy dense fog between 7am and 8am. Otherwise, mostly cloudy, with a temperature rising to near 70 by 8am, then falling to around 64 during the remainder of the day. Windy, with a north northeast wind 6 to 16 mph increasing to 20 to 30 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 50%.
Sunday Night
A slight chance of showers between 8pm and 9pm. Cloudy, with a low around 59. Windy, with a north northeast wind 24 to 29 mph decreasing to 18 to 23 mph after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 20%.
Monday
Mostly cloudy, with a high near 62. North wind 11 to 17 mph.
Monday Night
Mostly cloudy, with a low around 61. Northeast wind 8 to 10 mph becoming east southeast after midnight.
Tuesday
A 20 percent chance of showers after noon. Mostly cloudy, with a high near 72. Southeast wind 9 to 14 mph.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. South southeast wind 9 to 13 mph.
Wednesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 73. Southeast wind 9 to 11 mph.
Wednesday Night
Partly cloudy, with a low around 67. South wind around 10 mph.
Thursday
Mostly sunny, with a high near 75. South wind around 11 mph.
Thursday Night
Partly cloudy, with a low around 67. South southeast wind 7 to 10 mph becoming east after midnight.
Friday
Partly sunny, with a high near 73.
Friday Night
Mostly cloudy, with a low around 67.
Saturday
Mostly sunny, with a high near 74.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
16 Miles SE Port Mansfield TX
26.43°N 97.22°W
26.43°N 97.22°W
11:21 pm CST Dec 13, 2025
11pm CST Dec 13, 2025-6pm CST Dec 20, 2025



