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.

Fair

69°F

21°C

Humidity	41%
Wind Speed	SE 15 G 21 mph
Barometer	30.27 in (1024.8 mb)
Dewpoint	44°F (7°C)
Visibility	10.00 mi
Last update	19 Jan 11:53 am CST

More Information:

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

Extended Forecast for

Port Isabel TX

M.L.King Day
High: 67 °F
Mostly Sunny
Tonight
Low: 62 °F
Mostly Cloudy
Tuesday
High: 70 °F
Mostly Cloudy
then Slight
Chance
Showers
Tuesday Night
Low: 64 °F
Chance
Showers
Wednesday
High: 73 °F
Chance
Showers
Wednesday Night
Low: 64 °F
Slight Chance
Showers
Thursday
High: 72 °F
Mostly Sunny
Thursday Night
Low: 66 °F
Partly Cloudy
Friday
High: 75 °F
Mostly Sunny

Detailed Forecast

M.L.King Day

Mostly sunny, with a high near 67. Southeast wind around 15 mph, with gusts as high as 20 mph.

Tonight

Mostly cloudy, with a low around 62. Southeast wind 9 to 14 mph.

Tuesday

A slight chance of showers between noon and 1pm. Partly sunny, with a high near 70. East wind 8 to 14 mph. Chance of precipitation is 20%.

Tuesday Night

A 30 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 64. East southeast wind 9 to 13 mph.

Wednesday

A 50 percent chance of showers. Mostly cloudy, with a high near 73. South wind 8 to 10 mph.

Wednesday Night

A 20 percent chance of showers. Mostly cloudy, with a low around 64. Southeast wind around 7 mph becoming north after midnight.

Thursday

Mostly sunny, with a high near 72. North wind 6 to 11 mph becoming east in the afternoon.

Thursday Night

Partly cloudy, with a low around 66. East southeast wind 8 to 10 mph.

Friday

Mostly sunny, with a high near 75. South southeast wind 8 to 15 mph, with gusts as high as 21 mph.

Friday Night

A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 62. Southeast wind 11 to 13 mph.

Saturday

A 40 percent chance of showers. Mostly cloudy, with a high near 72. Breezy, with a southeast wind 13 to 20 mph becoming northwest in the morning. Winds could gust as high as 25 mph.

Saturday Night

A 30 percent chance of showers. Cloudy, with a low around 45. Breezy.

Sunday

A 30 percent chance of showers. Mostly cloudy, with a high near 53. Breezy.