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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.

Rain Fog/Mist

77°F

25°C

Humidity	96%
Wind Speed	N 9 mph
Barometer	29.85 in (1010.8 mb)
Dewpoint	76°F (24°C)
Visibility	5.00 mi
Heat Index	78°F (26°C)
Last update	4 Oct 2:53 am CDT

More Information:

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

Extended Forecast for

3 Miles N Laguna Vista TX

Overnight
Low: 77 °F
Showers
Sunday
High: 88 °F
Showers
Sunday Night
Low: 77 °F
Showers
Monday
High: 87 °F
Showers
Monday Night
Low: 77 °F
Showers
Tuesday
High: 88 °F
Showers
Likely and
Breezy
Tuesday Night
Low: 77 °F
Slight Chance
T-storms then
Chance
Showers
Wednesday
High: 89 °F
Chance
Showers
Wednesday Night
Low: 77 °F
Chance
Showers

Detailed Forecast

Overnight

Showers and possibly a thunderstorm. Low around 77. North wind around 9 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Sunday

Showers and possibly a thunderstorm. High near 88. North wind 11 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

Sunday Night

Showers and thunderstorms likely, then showers and possibly a thunderstorm after midnight. Low around 77. Northeast wind 7 to 14 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Monday

Showers and possibly a thunderstorm. High near 87. North wind 11 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 90%.

Monday Night

Showers and possibly a thunderstorm. Low around 77. North northeast wind 9 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

Tuesday

Showers likely and possibly a thunderstorm. Partly sunny, with a high near 88. Breezy, with a north wind 13 to 18 mph. Chance of precipitation is 70%.

Tuesday Night

A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly clear, with a low around 77. North northeast wind 7 to 14 mph. Chance of precipitation is 30%.

Wednesday

A 40 percent chance of showers and thunderstorms. Sunny, with a high near 89. North northeast wind 10 to 17 mph.

Wednesday Night

A chance of showers, with thunderstorms also possible after 1am. Partly cloudy, with a low around 77. North northeast wind 7 to 14 mph. Chance of precipitation is 40%.

Thursday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 88. North northeast wind 10 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

Thursday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76. North northeast wind 7 to 14 mph.

Friday

Showers and thunderstorms likely. Mostly sunny, with a high near 88. Chance of precipitation is 60%.

Friday Night

A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.

Saturday

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.