National Weather Service

News Headlines

New: 2025 In Review - Heat Dominates for a 3rd Year in Row; A March Historic Flood and Continued Water Issues Made Headlines
January-March 2026 Outlook - Drier and Warmer than Normal Conditions Expected To Continue; Drought, Wildfire Potential, Water Supply Issues and Cold Fronts Remain In Focus

Current conditions at

Port Isabel, Port Isabel-Cameron County Airport (KPIL)

Lat: 26.16°NLon: 97.34°WElev: 16ft.

Overcast

63°F

17°C

Humidity	63%
Wind Speed	N 20 G 30 mph
Barometer	30.14 in (1020.4 mb)
Dewpoint	50°F (10°C)
Visibility	10.00 mi
Last update	17 Jan 3:53 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: 67 °F
Cloudy and
Breezy
Tonight
Low: 51 °F
Gradual
Clearing and
Breezy
Sunday
High: 62 °F
Sunny
Sunday Night
Low: 50 °F
Mostly Clear
M.L.King Day
High: 70 °F
Mostly Sunny
Monday Night
Low: 61 °F
Increasing
Clouds
Tuesday
High: 71 °F
Slight Chance
Showers
Tuesday Night
Low: 62 °F
Chance
Showers
Wednesday
High: 73 °F
Chance
Showers

Detailed Forecast

This Afternoon

Cloudy, with a high near 67. Breezy, with a north northeast wind around 21 mph, with gusts as high as 26 mph.

Tonight

Mostly cloudy during the early evening, then gradual clearing, with a low around 51. Breezy, with a north wind 17 to 21 mph, with gusts as high as 30 mph.

Sunday

Sunny, with a high near 62. North wind 9 to 16 mph, with gusts as high as 23 mph.

Sunday Night

Mostly clear, with a low around 50. Northeast wind around 6 mph becoming light and variable.

M.L.King Day

Mostly sunny, with a high near 70. Southeast wind 6 to 15 mph.

Monday Night

Increasing clouds, with a low around 61. East southeast wind 8 to 11 mph.

Tuesday

A 20 percent chance of showers. Mostly cloudy, with a high near 71. East wind 9 to 15 mph, with gusts as high as 20 mph.

Tuesday Night

A 40 percent chance of showers, mainly after midnight. Cloudy, with a low around 62. South southeast wind 8 to 11 mph.

Wednesday

A 50 percent chance of showers. Mostly cloudy, with a high near 73. South southeast wind 8 to 13 mph.

Wednesday Night

A 30 percent chance of showers, mainly before midnight. Partly cloudy, with a low around 61. South southeast wind 6 to 8 mph becoming northwest after midnight.

Thursday

Mostly sunny, with a high near 72. North northwest wind 7 to 14 mph becoming northeast in the afternoon.

Thursday Night

Partly cloudy, with a low around 61.

Friday

Partly sunny, with a high near 74.