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

67°F

19°C

Humidity	76%
Wind Speed	NW 7 mph
Barometer	30.04 in (1017.3 mb)
Dewpoint	59°F (15°C)
Visibility	10.00 mi
Last update	13 Nov 8:53 am CST

More Information:

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

Extended Forecast for

6 Miles SE Port Isabel TX

Today
High: 77 °F
Sunny
Tonight
Low: 73 °F
Partly Cloudy
Saturday
High: 78 °F
Slight Chance
Showers and
Breezy
Saturday Night
Low: 74 °F
Breezy.
Partly Cloudy
then Slight
Chance
Showers
Sunday
High: 79 °F
Breezy. Sunny
then Chance
Showers
Sunday Night
Low: 69 °F
Chance
T-storms then
Showers
Likely and
Breezy
Monday
High: 74 °F
Breezy.
Chance
Showers then
Slight Chance
T-storms
Monday Night
Low: 67 °F
Slight Chance
T-storms and
Breezy
Tuesday
High: 73 °F
Slight Chance
Showers and
Breezy

Detailed Forecast

Today

Sunny, with a high near 77. North wind 8 to 10 mph becoming east in the afternoon.

Tonight

Partly cloudy, with a low around 73. East southeast wind 9 to 14 mph.

Saturday

A slight chance of showers between 11am and 3pm. Mostly sunny, with a high near 78. Breezy, with a southeast wind 15 to 18 mph. Chance of precipitation is 20%.

Saturday Night

A 20 percent chance of showers after midnight. Partly cloudy, with a low around 74. Breezy, with a southeast wind 18 to 20 mph.

Sunday

A 30 percent chance of showers after noon. Sunny, with a high near 79. Breezy, with a southeast wind 14 to 20 mph.

Sunday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Partly cloudy, with a low around 69. Breezy, with a southeast wind 9 to 18 mph becoming north after midnight. Chance of precipitation is 70%.

Monday

A 40 percent chance of showers and thunderstorms, mainly before noon. Partly sunny, with a high near 74. Breezy, with a north wind 22 to 26 mph.

Monday Night

A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Breezy, with a north wind 20 to 23 mph.

Tuesday

A 20 percent chance of showers. Partly sunny, with a high near 73. Breezy, with a north wind 16 to 20 mph.

Tuesday Night

A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 71. Northeast wind 7 to 15 mph.

Wednesday

Mostly sunny, with a high near 77. Northeast wind 7 to 10 mph.

Wednesday Night

A 20 percent chance of showers. Mostly cloudy, with a low around 74.