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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

74°F

23°C

Humidity	91%
Wind Speed	S 12 mph
Barometer	29.91 in (1012.7 mb)
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Last update	1 Apr 5:53 am CDT

More Information:

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

Extended Forecast for

Port Isabel TX

Today
High: 83 °F
Partly Sunny
then Sunny
and Breezy
Tonight
Low: 72 °F
Increasing
Clouds
Thursday
High: 82 °F
Mostly Sunny
and Breezy
Thursday Night
Low: 73 °F
Mostly Cloudy
Friday
High: 82 °F
Partly Sunny
then Mostly
Sunny and
Breezy
Friday Night
Low: 73 °F
Mostly Cloudy
and Breezy
then Mostly
Cloudy
Saturday
High: 83 °F
Mostly Sunny
Saturday Night
Low: 67 °F
Chance
Showers then
Showers
Likely
Sunday
High: 78 °F
Showers
Likely and
Breezy

Detailed Forecast

Today

Mostly cloudy, then gradually becoming sunny, with a high near 83. Breezy, with a south southeast wind 11 to 20 mph, with gusts as high as 25 mph.

Tonight

Increasing clouds, with a low around 72. Southeast wind around 16 mph, with gusts as high as 24 mph.

Thursday

Mostly sunny, with a high near 82. Breezy, with a south southeast wind 17 to 21 mph, with gusts as high as 28 mph.

Thursday Night

Mostly cloudy, with a low around 73. Southeast wind 14 to 17 mph, with gusts as high as 22 mph.

Friday

Mostly sunny, with a high near 82. Breezy, with a southeast wind 14 to 21 mph.

Friday Night

Mostly cloudy, with a low around 73. Breezy, with a southeast wind 14 to 18 mph, with gusts as high as 24 mph.

Saturday

Mostly sunny, with a high near 83. South southeast wind 13 to 16 mph, with gusts as high as 21 mph.

Saturday Night

A chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 67. East southeast wind 7 to 13 mph. Chance of precipitation is 70%.

Sunday

Showers likely. Cloudy, with a high near 78. Breezy, with a north northeast wind 9 to 14 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 70%.

Sunday Night

Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Cloudy, with a low around 62. Breezy, with a north northeast wind 14 to 20 mph. Chance of precipitation is 60%.

Monday

A 50 percent chance of showers. Mostly cloudy, with a high near 72. North wind 14 to 17 mph, with gusts as high as 22 mph.

Monday Night

A 20 percent chance of showers. Mostly cloudy, with a low around 63.

Tuesday

A 20 percent chance of showers. Mostly cloudy, with a high near 74.