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

75°F

24°C

Humidity	96%
Wind Speed	Calm
Barometer	29.92 in (1013.2 mb)
Dewpoint	74°F (23°C)
Visibility	5.00 mi
Last update	6 Nov 4:53 am CST

More Information:

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

Extended Forecast for

4 Miles N Port Isabel-Cameron County Airport TX

Overnight
Low: 71 °F
Showers
Likely
Friday
High: 80 °F
Showers
Likely
Friday Night
Low: 70 °F
Chance
Showers
Saturday
High: 81 °F
Chance
Showers
Saturday Night
Low: 69 °F
Slight Chance
T-storms then
Chance
Showers
Sunday
High: 78 °F
Showers
Likely and
Breezy
Sunday Night
Low: 66 °F
Chance
T-storms and
Breezy then
Showers
Likely
Monday
High: 76 °F
Showers
Likely
Monday Night
Low: 64 °F
Slight Chance
T-storms then
Slight Chance
Showers

Detailed Forecast

Overnight

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 71. Light southeast wind. Chance of precipitation is 60%.

Friday

Showers likely and possibly a thunderstorm before 9am, then a chance of showers and thunderstorms between 9am and noon, then a chance of showers after noon. Partly sunny, with a high near 80. Light northeast wind becoming north northeast 10 to 15 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

Friday Night

A 30 percent chance of showers, mainly between 11pm and 1am. Partly cloudy, with a low around 70. Northeast wind 6 to 11 mph.

Saturday

A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 81. East wind 8 to 16 mph, with gusts as high as 21 mph.

Saturday Night

A 40 percent chance of showers and thunderstorms, mainly after midnight. Increasing clouds, with a low around 69. East wind 14 to 16 mph, with gusts as high as 22 mph.

Sunday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 78. Breezy, with an east southeast wind 14 to 21 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.

Sunday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 66. Breezy, with an east wind 11 to 20 mph. Chance of precipitation is 60%.

Monday

Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 76. East northeast wind 11 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

Monday Night

A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 64. East northeast wind 7 to 10 mph. Chance of precipitation is 20%.

Tuesday

Mostly cloudy, with a high near 78. North wind 7 to 10 mph becoming east northeast in the afternoon.

Tuesday Night

Mostly cloudy, with a low around 66. East northeast wind 5 to 7 mph becoming light and variable.

Veterans Day

A 20 percent chance of showers. Mostly cloudy, with a high near 79.

Wednesday Night

A 30 percent chance of showers. Mostly cloudy, with a low around 65.

Thursday

A 30 percent chance of showers. Mostly cloudy, with a high near 79.