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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.

Heavy Rain Fog/Mist

77°F

25°C

Humidity	94%
Wind Speed	NE 10 mph
Barometer	29.84 in (1010.5 mb)
Dewpoint	75°F (24°C)
Visibility	1.50 mi
Heat Index	78°F (26°C)
Last update	3 Oct 7:53 pm CDT

More Information:

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

Extended Forecast for

6 Miles ESE Rio Hondo TX

Tonight
Low: 75 °F
Showers
Sunday
High: 85 °F
Showers
Sunday Night
Low: 75 °F
Showers
Monday
High: 86 °F
Showers
Monday Night
Low: 74 °F
Showers
Likely
Tuesday
High: 88 °F
Chance
T-storms
Tuesday Night
Low: 72 °F
Slight Chance
T-storms
Wednesday
High: 90 °F
Chance
Showers then
Chance
T-storms
Wednesday Night
Low: 73 °F
Slight Chance
T-storms

Detailed Forecast

Tonight

Showers and possibly a thunderstorm. Low around 75. North wind 10 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

Sunday

Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. High near 85. North wind 14 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

Sunday Night

Showers and thunderstorms before 3am, then showers and possibly a thunderstorm, mainly after 3am. Low around 75. North wind 8 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

Monday

Showers and possibly a thunderstorm. High near 86. North wind 13 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.

Monday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 74. North wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

Tuesday

A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. North wind 13 to 16 mph, with gusts as high as 24 mph.

Tuesday Night

A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. North northeast wind 5 to 11 mph.

Wednesday

A 40 percent chance of showers and thunderstorms. Sunny, with a high near 90. North northeast wind 11 to 16 mph, with gusts as high as 23 mph.

Wednesday Night

A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73. North northeast wind 5 to 11 mph.

Thursday

A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. North northeast wind 10 to 17 mph, with gusts as high as 24 mph.

Thursday Night

A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. North northeast wind 7 to 13 mph, with gusts as high as 20 mph.

Friday

A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.

Friday Night

A 30 percent chance of showers. Partly cloudy, with a low around 72.

Saturday

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.