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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

Hazardous Weather Conditions

Coastal Flood Advisory in effect from April 19, 06:00 AM CDT until April 19, 01:00 PM CDT
High Surf Advisory in effect from April 19, 06:00 AM CDT until April 19, 07:00 PM CDT

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	67%
Wind Speed	SE 22 G 30 mph
Barometer	29.84 in (1010.5 mb)
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Heat Index	88°F (31°C)
Last update	18 Apr 12:53 pm CDT

More Information:

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

Extended Forecast for

7 Miles SE Port Isabel TX

High Surf Advisory April 19, 06:00am until April 19, 07:00pm

Coastal Flood Advisory April 19, 06:00am until April 19, 01:00pm

Click here for hazard details and duration

High Surf Advisory

Coastal Flood Advisory

This Afternoon
High: 82 °F
Mostly Cloudy
Tonight
Low: 69 °F
Mostly Cloudy
then Showers
Likely
Sunday
High: 74 °F
Showers
Likely and
Breezy
Sunday Night
Low: 67 °F
Showers
Monday
High: 78 °F
Showers
Likely
Monday Night
Low: 71 °F
Chance
Showers
Tuesday
High: 80 °F
Chance
Showers
Tuesday Night
Low: 71 °F
Partly Cloudy
Wednesday
High: 82 °F
Mostly Sunny

Detailed Forecast

This Afternoon

Mostly cloudy, with a high near 82. East southeast wind 14 to 17 mph.

Tonight

A chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 69. East wind 6 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

Sunday

A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 10am, then showers likely and possibly a thunderstorm after 10am. Mostly cloudy, with a high near 74. Breezy, with a northeast wind 17 to 22 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Sunday Night

Showers and possibly a thunderstorm. Low around 67. Northeast wind 9 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.

Monday

Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 78. East wind 8 to 16 mph. Chance of precipitation is 70%.

Monday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. East wind 8 to 14 mph, with gusts as high as 20 mph.

Tuesday

A 40 percent chance of showers and thunderstorms. 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. Southeast wind 8 to 15 mph.