National Weather Service

News Headlines

WE ARE HIRING: NWS Brownsville/Rio Grande Valley is officially hiring a GS-5/7/9 Meteorologist. Apply today at USAJobs!
New: October-December2026 Outlook - After a brutally hot and dry September, October brings the pattern change to wetter and less hot, with above average rainfall to close out 2026; flash flooding, water supply, & hazardous marine conditions in focus

Current conditions at

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

Lat: 26.16°NLon: 97.34°WElev: 16ft.

Heavy Rain Fog/Mist

77°F

25°C

Humidity	94%
Wind Speed	NW 9 mph
Barometer	29.99 in (1015.5 mb)
Dewpoint	75°F (24°C)
Visibility	2.50 mi
Heat Index	78°F (26°C)
Last update	4 Oct 10:53 pm CDT

More Information:

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

Extended Forecast for

Laguna Vista TX

Tonight
Low: 78 °F
Showers
Monday
High: 81 °F
Showers
Monday Night
Low: 78 °F
Showers
Tuesday
High: 82 °F
Showers
Tuesday Night
Low: 78 °F
Chance
Showers
Wednesday
High: 84 °F
Chance
Showers and
Breezy
Wednesday Night
Low: 77 °F
Chance
Showers then
Chance
T-storms
Thursday
High: 88 °F
Showers
Likely
Thursday Night
Low: 76 °F
Showers
Likely

Detailed Forecast

Tonight

Showers and possibly a thunderstorm. Low around 78. North wind 8 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

Monday

Showers and thunderstorms likely, then showers and possibly a thunderstorm after 9am. High near 81. North wind 11 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

Monday Night

Showers and possibly a thunderstorm. Low around 78. North northeast wind 9 to 14 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

Tuesday

Showers and possibly a thunderstorm. High near 82. North wind 13 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.

Tuesday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 78. North northeast wind 9 to 14 mph. Chance of precipitation is 40%.

Wednesday

A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 84. Breezy, with a north northeast wind 11 to 18 mph. Chance of precipitation is 50%.

Wednesday Night

A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77. North northeast wind 7 to 14 mph.

Thursday

Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 88. North wind 10 to 17 mph. Chance of precipitation is 70%.

Thursday Night

A chance of showers and thunderstorms, then showers likely after 1am. Partly cloudy, with a low around 76. North northeast wind 7 to 14 mph. Chance of precipitation is 60%.

Friday

A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 89. Breezy, with a north wind 10 to 18 mph, with gusts as high as 23 mph.

Friday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74. North wind 9 to 17 mph.

Saturday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.

Saturday Night

Mostly clear, with a low around 74.

Sunday

Sunny, with a high near 90.