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New: April-June 2026 Outlook: Warmer than normal temperatures are favored to continue; precipitation is a toss-up; drought, heat risk increases, occasional heavy rain/flooding, & water supply issues are in focus

Current conditions at

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

Lat: 26.16°NLon: 97.34°WElev: 16ft.

Overcast

76°F

24°C

Humidity	85%
Wind Speed	SE 18 G 26 mph
Barometer	29.93 in (1013.3 mb)
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Heat Index	77°F (25°C)
Last update	14 Apr 8:53 pm CDT

More Information:

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

Extended Forecast for

Port Isabel TX

Tonight
Low: 73 °F
Mostly Cloudy
Wednesday
High: 82 °F
Partly Sunny
and Breezy
Wednesday Night
Low: 72 °F
Mostly Cloudy
Thursday
High: 82 °F
Decreasing
Clouds
Thursday Night
Low: 72 °F
Mostly Cloudy
Friday
High: 82 °F
Partly Sunny
and Breezy
Friday Night
Low: 73 °F
Mostly Cloudy
and Breezy
then Mostly
Cloudy
Saturday
High: 83 °F
Mostly Cloudy
and Breezy
Saturday Night
Low: 70 °F
Mostly Cloudy
then Chance
Showers

Detailed Forecast

Tonight

Mostly cloudy, with a low around 73. South southeast wind 14 to 16 mph, with gusts as high as 22 mph.

Wednesday

Partly sunny, with a high near 82. Breezy, with a southeast wind 14 to 20 mph, with gusts as high as 25 mph.

Wednesday Night

Mostly cloudy, with a low around 72. Southeast wind 11 to 14 mph.

Thursday

Mostly cloudy, then gradually becoming sunny, with a high near 82. Southeast wind 10 to 17 mph, with gusts as high as 22 mph.

Thursday Night

Mostly cloudy, with a low around 72. South southeast wind around 14 mph, with gusts as high as 20 mph.

Friday

Partly sunny, with a high near 82. Breezy, with a south southeast wind 13 to 22 mph, with gusts as high as 28 mph.

Friday Night

Mostly cloudy, with a low around 73. Breezy, with a southeast wind 16 to 18 mph, with gusts as high as 24 mph.

Saturday

Mostly cloudy, with a high near 83. Breezy, with a south southeast wind 16 to 20 mph.

Saturday Night

A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 70. East southeast wind 9 to 11 mph becoming northeast after midnight.

Sunday

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 77. Breezy, with a northeast wind 16 to 22 mph, with gusts as high as 28 mph.

Sunday Night

A 40 percent chance of showers. Cloudy, with a low around 69. Breezy, with an east northeast wind 10 to 18 mph, with gusts as high as 23 mph.

Monday

A 30 percent chance of showers. Mostly cloudy, with a high near 79. Breezy.

Monday Night

A 20 percent chance of showers. Mostly cloudy, with a low around 70.

Tuesday

A 20 percent chance of showers. Partly sunny, with a high near 80. Breezy.