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

65°F

18°C

Humidity	63%
Wind Speed	SE 9 mph
Barometer	30.19 in (1022.3 mb)
Dewpoint	52°F (11°C)
Visibility	10.00 mi
Last update	19 Jan 6:53 pm CST

More Information:

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

Extended Forecast for

Port Isabel TX

Tonight
Low: 61 °F
Mostly Cloudy
Tuesday
High: 71 °F
Mostly Cloudy
then Slight
Chance
Showers
Tuesday Night
Low: 64 °F
Chance
Showers
Wednesday
High: 74 °F
Chance
Showers
Wednesday Night
Low: 62 °F
Slight Chance
Showers
Thursday
High: 73 °F
Mostly Sunny
Thursday Night
Low: 64 °F
Partly Cloudy
Friday
High: 77 °F
Partly Sunny
Friday Night
Low: 61 °F
Mostly Cloudy
then Slight
Chance
Showers

Detailed Forecast

Tonight

Mostly cloudy, with a low around 61. Southeast wind 7 to 10 mph.

Tuesday

A slight chance of showers between noon and 1pm. Mostly cloudy, with a high near 71. East wind 7 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 7 to 10 mph.

Wednesday

A 50 percent chance of showers. Mostly cloudy, with a high near 74. South wind 6 to 11 mph.

Wednesday Night

A 20 percent chance of showers. Mostly cloudy, with a low around 62. Southeast wind around 6 mph becoming west northwest after midnight.

Thursday

Mostly sunny, with a high near 73. North wind 5 to 10 mph becoming east in the afternoon.

Thursday Night

Partly cloudy, with a low around 64. South southeast wind 7 to 9 mph.

Friday

Partly sunny, with a high near 77. South southeast wind 7 to 14 mph, with gusts as high as 21 mph.

Friday Night

A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 61. South southeast wind around 10 mph.

Saturday

A 40 percent chance of showers. Mostly cloudy, with a high near 73. Breezy, with a south southeast wind 10 to 20 mph becoming north northwest in the afternoon.

Saturday Night

A 30 percent chance of showers. Cloudy, with a low around 43. North northwest wind around 16 mph, with gusts as high as 23 mph.

Sunday

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

Sunday Night

A 20 percent chance of showers. Mostly cloudy, with a low around 45.

Monday

A 20 percent chance of showers. Mostly cloudy, with a high near 60.