National Weather Service

News Headlines

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

80°F

27°C

Humidity	71%
Wind Speed	SE 17 G 25 mph
Barometer	29.96 in (1014.6 mb)
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Heat Index	83°F (28°C)
Last update	15 Apr 9:53 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: 81 °F
Mostly Cloudy
and Breezy
Tonight
Low: 72 °F
Mostly Cloudy
Thursday
High: 82 °F
Mostly Cloudy
then Mostly
Sunny and
Breezy
Thursday Night
Low: 72 °F
Partly Cloudy
Friday
High: 81 °F
Mostly Sunny
and Breezy
Friday Night
Low: 73 °F
Mostly Cloudy
Saturday
High: 82 °F
Mostly Cloudy
then Mostly
Cloudy and
Breezy
Saturday Night
Low: 69 °F
Chance
Showers
Sunday
High: 76 °F
Showers
Likely and
Breezy

Detailed Forecast

Today

Mostly cloudy, with a high near 81. Breezy, with a southeast wind 17 to 20 mph.

Tonight

Mostly cloudy, with a low around 72. Southeast wind 10 to 13 mph.

Thursday

Partly sunny, with a high near 82. Breezy, with a southeast wind 9 to 18 mph.

Thursday Night

Partly cloudy, with a low around 72. Southeast wind 10 to 13 mph, with gusts as high as 20 mph.

Friday

Mostly sunny, with a high near 81. Breezy, with a south southeast wind 11 to 16 mph increasing to 18 to 23 mph in the afternoon.

Friday Night

Mostly cloudy, with a low around 73. Southeast wind 14 to 17 mph, with gusts as high as 23 mph.

Saturday

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

Saturday Night

A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. East southeast wind 9 to 15 mph becoming northeast after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 40%.

Sunday

Showers likely and possibly a thunderstorm. Cloudy, with a high near 76. Breezy, with a northeast wind 21 to 26 mph, with gusts as high as 33 mph. Chance of precipitation is 60%.

Sunday Night

A chance of showers, with thunderstorms also possible after 1am. Cloudy, with a low around 67. Breezy, with a northeast wind 14 to 22 mph. Chance of precipitation is 40%.

Monday

A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 77. Breezy, with an east northeast wind 14 to 20 mph.

Monday Night

A 20 percent chance of showers. Mostly cloudy, with a low around 68.

Tuesday

Partly sunny, with a high near 79. Breezy.