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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 and Breezy

83°F

28°C

Humidity	70%
Wind Speed	SE 22 G 30 mph
Barometer	29.85 in (1010.6 mb)
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	88°F (31°C)
Last update	18 Apr 11:53 am CDT

More Information:

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

Extended Forecast for

7 Miles SE Port Isabel TX

Today
High: 82 °F
Partly Sunny
and Breezy
Tonight
Low: 70 °F
Mostly Cloudy
then Showers
Likely
Sunday
High: 75 °F
Showers and
Breezy
Sunday Night
Low: 68 °F
Showers
Likely and
Breezy
Monday
High: 78 °F
Showers
Likely
Monday Night
Low: 70 °F
Chance
T-storms
Tuesday
High: 80 °F
Chance
Showers
Tuesday Night
Low: 71 °F
Partly Cloudy
Wednesday
High: 82 °F
Mostly Sunny

Detailed Forecast

Today

Partly sunny, with a high near 82. Breezy, with a south southeast wind 14 to 18 mph, with gusts as high as 23 mph.

Tonight

Showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 70. East wind 6 to 10 mph becoming north after midnight. Chance of precipitation is 60%.

Sunday

Showers and possibly a thunderstorm before 7am, then showers between 7am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 75. Breezy, with a north northeast wind 16 to 22 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Sunday Night

Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Cloudy, with a low around 68. Breezy, with an east northeast wind 9 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.

Monday

Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 78. East wind 9 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.

Monday Night

A 50 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 70. East wind 8 to 14 mph, with gusts as high as 20 mph.

Tuesday

A 40 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 80. Southeast wind 7 to 15 mph, with gusts as high as 20 mph.

Tuesday Night

Partly cloudy, with a low around 71. Southeast wind 9 to 14 mph.

Wednesday

Mostly sunny, with a high near 82. South southeast wind 8 to 16 mph.

Wednesday Night

Partly cloudy, with a low around 72. East southeast wind 11 to 14 mph.

Thursday

Mostly sunny, with a high near 82. Breezy, with a south southeast wind 13 to 21 mph, with gusts as high as 26 mph.

Thursday Night

Partly cloudy, with a low around 73.

Friday

Mostly sunny, with a high near 83. Breezy.