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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.

Mostly Cloudy

70°F

21°C

Humidity	59%
Wind Speed	N 20 G 26 mph
Barometer	30.19 in (1022.3 mb)
Dewpoint	55°F (13°C)
Visibility	10.00 mi
Last update	6 Apr 1:53 pm CDT

More Information:

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

Extended Forecast for

Port Isabel TX

This Afternoon
High: 70 °F
Partly Sunny
and Breezy
Tonight
Low: 65 °F
Mostly Clear
Tuesday
High: 74 °F
Mostly Sunny
Tuesday Night
Low: 70 °F
Chance
Showers
Wednesday
High: 76 °F
Chance
Showers
Wednesday Night
Low: 71 °F
Chance
Showers
Thursday
High: 77 °F
Chance
Showers
Thursday Night
Low: 71 °F
Chance
Showers
Friday
High: 78 °F
Chance
Showers

Detailed Forecast

This Afternoon

Partly sunny, with a high near 70. Breezy, with a north wind around 18 mph, with gusts as high as 23 mph.

Tonight

Mostly clear, with a low around 65. Northeast wind 7 to 14 mph.

Tuesday

Mostly sunny, with a high near 74. Northeast wind 6 to 13 mph.

Tuesday Night

A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 70. East wind 9 to 11 mph.

Wednesday

A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 76. East southeast wind 7 to 14 mph.

Wednesday Night

A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 71. East wind 7 to 11 mph.

Thursday

A 40 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 77. East southeast wind 6 to 14 mph.

Thursday Night

A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 71. East southeast wind 7 to 11 mph. Chance of precipitation is 40%.

Friday

A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 78. East southeast wind 7 to 15 mph, with gusts as high as 20 mph.

Friday Night

A slight chance of showers, with thunderstorms also possible after 1am. Partly cloudy, with a low around 73. Southeast wind 10 to 14 mph. Chance of precipitation is 20%.

Saturday

A 30 percent chance of showers. Mostly sunny, with a high near 79. Breezy, with a southeast wind 10 to 18 mph, with gusts as high as 24 mph.

Saturday Night

Mostly cloudy, with a low around 73.

Sunday

Partly sunny, with a high near 80. Breezy.