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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

Current conditions at

Port Isabel, Port Isabel-Cameron County Airport (KPIL)

Lat: 26.16°NLon: 97.34°WElev: 16ft.

Rain Fog/Mist

60°F

16°C

Humidity	96%
Wind Speed	W 12 mph
Barometer	30.16 in (1021.4 mb)
Dewpoint	59°F (15°C)
Visibility	6.00 mi
Last update	19 Apr 9:53 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 until April 20, 01:00am

Coastal Flood Advisory April 19, 09:56pm until April 19, 10:00pm

Click here for hazard details and duration

High Surf Advisory

...

High Surf Advisory until April 20, 01:00am
Coastal Flood Advisory April 19, 09:56pm until April 19, 10:00pm
NOW: Multiple hazards in effect
Click HERE for Details
Tonight
Low: 66 °F
Showers
Monday
High: 77 °F
Showers
Likely
Monday Night
Low: 71 °F
Chance
T-storms then
Chance
Showers
Tuesday
High: 80 °F
Chance
Showers then
Chance
T-storms
Tuesday Night
Low: 72 °F
Slight Chance
T-storms then
Partly Cloudy
Wednesday
High: 81 °F
Mostly Sunny
Wednesday Night
Low: 72 °F
Mostly Clear
Thursday
High: 82 °F
Mostly Sunny
then Mostly
Sunny and
Breezy

Detailed Forecast

Tonight

Showers and possibly a thunderstorm, mainly before 5am, then a chance of showers and thunderstorms after 5am. Low around 66. East wind 9 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Monday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 7am. Mostly cloudy, with a high near 77. East wind 8 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

Monday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. East southeast wind 9 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 8 to 17 mph.

Tuesday Night

A slight chance of thunderstorms before 7pm. Partly cloudy, with a low around 72. Southeast wind 7 to 11 mph. Chance of precipitation is 10%.

Wednesday

Mostly sunny, with a high near 81. South southeast wind 7 to 15 mph.

Wednesday Night

Mostly clear, with a low around 72. Southeast wind around 11 mph.

Thursday

Mostly sunny, with a high near 82. Breezy, with a south southeast wind 11 to 20 mph.