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: November 2026-January 2027 Outlook - Normal to warmer than normal conditions are favored through the remainder of the Fall into the upcoming Winter Season; mainly dry; marine/coastal, drought, fire weather, & water supply issues are in focus

Current conditions at

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

Lat: 26.16°NLon: 97.34°WElev: 16ft.

Fog/Mist

77°F

25°C

Humidity	94%
Wind Speed	Calm
Barometer	29.92 in (1013.2 mb)
Dewpoint	75°F (24°C)
Visibility	5.00 mi
Heat Index	78°F (26°C)
Last update	5 Nov 10:53 pm CST

More Information:

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

Extended Forecast for

2 Miles ENE Port Isabel-Cameron County Airport TX

Tonight
Low: 72 °F
Chance
Showers and
Patchy Fog
Friday
High: 79 °F
Showers
Likely
Friday Night
Low: 70 °F
Chance
Showers
Saturday
High: 79 °F
Chance
Showers
Saturday Night
Low: 69 °F
Showers
Likely
Sunday
High: 76 °F
Breezy.
T-storms then
Showers
Sunday Night
Low: 64 °F
Showers
Likely and
Breezy
Monday
High: 72 °F
Chance
Showers
Monday Night
Low: 64 °F
Slight Chance
Showers

Detailed Forecast

Tonight

A 50 percent chance of showers and thunderstorms, mainly after 2am. Patchy fog before 2am. Otherwise, partly cloudy, with a low around 72. South southeast wind 3 to 5 mph.

Friday

Showers and thunderstorms likely. Partly sunny, with a high near 79. North northeast wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Chance of precipitation is 70%.

Friday Night

A 30 percent chance of showers, mainly between 11pm and 1am. Partly cloudy, with a low around 70. East northeast wind 8 to 13 mph.

Saturday

A chance of showers, with thunderstorms also possible after noon. Increasing clouds, with a high near 79. East wind 9 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.

Saturday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 69. East southeast wind 13 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

Sunday

Showers and possibly a thunderstorm. High near 76. Breezy, with an east southeast wind 13 to 21 mph. Chance of precipitation is 90%.

Sunday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. Breezy, with a north northeast wind 17 to 21 mph. Chance of precipitation is 70%.

Monday

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 72. North wind 15 to 17 mph.

Monday Night

A 20 percent chance of showers. Mostly cloudy, with a low around 64. North wind 9 to 14 mph.

Tuesday

A 20 percent chance of showers. Partly sunny, with a high near 75. North northeast wind 9 to 13 mph.

Tuesday Night

Mostly cloudy, with a low around 66. Northeast wind 3 to 8 mph.

Veterans Day

A 20 percent chance of showers. Mostly cloudy, with a high near 76.

Wednesday Night

A 20 percent chance of showers. Mostly cloudy, with a low around 66.