National Weather Service

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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

84°F

29°C

Humidity	63%
Wind Speed	SE 14 mph
Barometer	30.01 in (1016.2 mb)
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Heat Index	88°F (31°C)
Last update	26 Dec 12:53 pm CST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Port Isabel TX

This Afternoon
High: 78 °F
Sunny
Tonight
Low: 70 °F
Partly Cloudy
Saturday
High: 78 °F
Sunny
Saturday Night
Low: 70 °F
Mostly Clear
Sunday
High: 78 °F
Sunny
Sunday Night
Low: 65 °F
Partly Cloudy
then Chance
Showers
Monday
High: 65 °F
Windy.
Showers
Likely then
Chance
Showers
Monday Night
Low: 52 °F
Mostly Cloudy
and Breezy
Tuesday
High: 56 °F
Partly Sunny
and Breezy

Detailed Forecast

This Afternoon

Sunny, with a high near 78. Southeast wind around 13 mph.

Tonight

Partly cloudy, with a low around 70. South wind around 11 mph.

Saturday

Sunny, with a high near 78. South southeast wind 10 to 17 mph, with gusts as high as 22 mph.

Saturday Night

Mostly clear, with a low around 70. South southeast wind around 15 mph, with gusts as high as 21 mph.

Sunday

Sunny, with a high near 78. South southeast wind 13 to 17 mph, with gusts as high as 22 mph.

Sunday Night

A chance of showers between midnight and 3am, then a chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 65. South southeast wind 7 to 11 mph becoming east northeast after midnight. Chance of precipitation is 40%.

Monday

Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 65. Windy, with a north wind 13 to 18 mph increasing to 24 to 29 mph in the morning. Winds could gust as high as 38 mph. Chance of precipitation is 60%.

Monday Night

Mostly cloudy, with a low around 52. Breezy, with a north wind 23 to 25 mph, with gusts as high as 36 mph.

Tuesday

Partly sunny, with a high near 56. Breezy, with a north wind 14 to 22 mph, with gusts as high as 30 mph.

Tuesday Night

Mostly clear, with a low around 52. North wind 6 to 13 mph.

Wednesday

Sunny, with a high near 65. North wind 6 to 8 mph becoming east southeast in the afternoon.

Wednesday Night

Partly cloudy, with a low around 60.

New Year's Day

Partly sunny, with a high near 71.