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

64°F

18°C

Humidity	65%
Wind Speed	N 12 mph
Barometer	30.13 in (1020.4 mb)
Dewpoint	52°F (11°C)
Visibility	10.00 mi
Last update	17 Jan 8:53 am CST

More Information:

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

Extended Forecast for

Port Isabel TX

Today
High: 66 °F
Breezy.
Mostly Cloudy
then Chance
Showers
Tonight
Low: 54 °F
Breezy.
Chance
Showers then
Mostly Clear
Sunday
High: 61 °F
Sunny and
Breezy then
Sunny
Sunday Night
Low: 53 °F
Mostly Clear
M.L.King Day
High: 68 °F
Mostly Sunny
Monday Night
Low: 62 °F
Mostly Cloudy
Tuesday
High: 70 °F
Slight Chance
Showers
Tuesday Night
Low: 64 °F
Chance
Showers
Wednesday
High: 72 °F
Chance
Showers

Detailed Forecast

Today

A 50 percent chance of showers after noon. Mostly cloudy, with a high near 66. Breezy, with a north northeast wind 20 to 22 mph, with gusts as high as 28 mph.

Tonight

A 30 percent chance of showers before 9pm. Cloudy during the early evening, then gradual clearing, with a low around 54. Breezy, with a north northeast wind 21 to 25 mph, with gusts as high as 31 mph.

Sunday

Sunny, with a high near 61. Breezy, with a north wind 8 to 18 mph, with gusts as high as 23 mph.

Sunday Night

Mostly clear, with a low around 53. Northeast wind around 7 mph becoming south southeast after midnight.

M.L.King Day

Mostly sunny, with a high near 68. Southeast wind 7 to 14 mph.

Monday Night

Mostly cloudy, with a low around 62. East southeast wind 10 to 13 mph.

Tuesday

A 20 percent chance of showers. Mostly cloudy, with a high near 70. East wind 10 to 16 mph.

Tuesday Night

A 40 percent chance of showers. Cloudy, with a low around 64. East southeast wind 11 to 14 mph.

Wednesday

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 72. South wind 10 to 14 mph.

Wednesday Night

A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 64. South wind 8 to 11 mph becoming west after midnight.

Thursday

Mostly sunny, with a high near 72. West wind 8 to 14 mph becoming northeast in the afternoon.

Thursday Night

Mostly cloudy, with a low around 62.

Friday

Partly sunny, with a high near 72.