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.

Fair

66°F

19°C

Humidity	87%
Wind Speed	E 3 mph
Barometer	29.98 in (1015.0 mb)
Dewpoint	62°F (17°C)
Visibility	10.00 mi
Last update	13 Nov 8:53 pm CST

More Information:

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

Extended Forecast for

4 Miles SSW Port Isabel TX

Tonight
Low: 69 °F
Mostly Clear
Saturday
High: 78 °F
Sunny then
Mostly Sunny
and Breezy
Saturday Night
Low: 74 °F
Partly Cloudy
and Breezy
then Partly
Cloudy
Sunday
High: 81 °F
Mostly Sunny
then Slight
Chance
Showers
Sunday Night
Low: 68 °F
Chance
Showers
Monday
High: 72 °F
Breezy.
Slight Chance
T-storms then
Partly Sunny
Monday Night
Low: 63 °F
Slight Chance
Showers and
Breezy
Tuesday
High: 72 °F
Slight Chance
Showers
Tuesday Night
Low: 67 °F
Mostly Cloudy

Detailed Forecast

Tonight

Mostly clear, with a low around 69. Southeast wind 7 to 10 mph.

Saturday

Sunny, with a high near 78. Breezy, with a southeast wind 10 to 18 mph.

Saturday Night

Partly cloudy, with a low around 74. Breezy, with a southeast wind 14 to 18 mph.

Sunday

A slight chance of showers between noon and 1pm. Sunny, with a high near 81. South southeast wind 13 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

Sunday Night

A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68. South southeast wind 8 to 16 mph becoming north northwest after midnight. Winds could gust as high as 21 mph.

Monday

A slight chance of showers and thunderstorms before 9am, then a slight chance of showers between 9am and noon. Partly sunny, with a high near 72. Breezy, with a north wind 20 to 25 mph. Chance of precipitation is 20%.

Monday Night

A 20 percent chance of showers. Mostly cloudy, with a low around 63. Breezy, with a north wind 16 to 23 mph.

Tuesday

A 20 percent chance of showers. Partly sunny, with a high near 72. North northwest wind 14 to 17 mph, with gusts as high as 23 mph.

Tuesday Night

Mostly cloudy, with a low around 67. North wind 5 to 13 mph.

Wednesday

Partly sunny, with a high near 77. East northeast wind 6 to 10 mph.

Wednesday Night

Mostly cloudy, with a low around 72. East wind 3 to 8 mph.

Thursday

A 20 percent chance of showers. Mostly cloudy, with a high near 78.