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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.

Light Rain

78°F

26°C

Humidity	93%
Wind Speed	NW 13 mph
Barometer	29.88 in (1011.9 mb)
Dewpoint	76°F (24°C)
Visibility	10.00 mi
Heat Index	81°F (27°C)
Last update	3 Oct 10:53 pm CDT

More Information:

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

Extended Forecast for

8 Miles ENE Rio Hondo TX

Tonight
Low: 73 °F
Showers
Sunday
High: 85 °F
Heavy Rain
Sunday Night
Low: 74 °F
Showers
Monday
High: 86 °F
Showers
Monday Night
Low: 72 °F
Showers
Likely
Tuesday
High: 88 °F
Chance
T-storms
Tuesday Night
Low: 72 °F
Slight Chance
T-storms
Wednesday
High: 89 °F
Chance
Showers then
Chance
T-storms
Wednesday Night
Low: 72 °F
Slight Chance
T-storms

Detailed Forecast

Tonight

Showers and possibly a thunderstorm. Low around 73. North wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

Sunday

Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. Some of the storms could produce heavy rainfall. High near 85. North wind around 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 74. North northeast wind 8 to 13 mph, with gusts as high as 21 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 14 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 90%.

Monday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 72. North northeast wind 9 to 14 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 14 to 17 mph, with gusts as high as 24 mph.

Tuesday Night

A 20 percent chance of showers and thunderstorms. Mostly clear, 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 89. 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 72. North northeast wind 5 to 11 mph.

Thursday

A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. North northeast wind 10 to 17 mph, with gusts as high as 24 mph.

Thursday Night

A 30 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 89.

Friday Night

A 30 percent chance of showers. Partly cloudy, with a low around 71.

Saturday

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.