National Weather Service

News Headlines

New: Quick Summary of Starr County Damaging Wind, Hail, and Flash Flooding March 7-8, 2026
New! Understand Spring and Summer Hazardous Weather in the RGV with the 2026 Guide
March-May (Spring 2026) Outlook: Warmer than normal temperatures are favored to continue; precipitation is a toss-up; drought, wildfire potential, water supply, and heat risk concerns are in focus
The Potential for Wildfire Spread Will Remain Acute through Early March. Stop Wildfires Before they Start with Smokey Bear

Current conditions at

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

Lat: 26.16°NLon: 97.34°WElev: 16ft.

Fair

78°F

26°C

Humidity	60%
Wind Speed	S 17 G 24 mph
Barometer	30.07 in (1018.1 mb)
Dewpoint	63°F (17°C)
Visibility	10.00 mi
Heat Index	80°F (27°C)
Last update	21 Mar 10:53 am CDT

More Information:

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

Extended Forecast for

Los Fresnos TX

Today
High: 87 °F
Sunny and
Breezy
Tonight
Low: 63 °F
Mostly Clear
Sunday
High: 87 °F
Sunny then
Sunny and
Breezy
Sunday Night
Low: 64 °F
Mostly Clear
Monday
High: 87 °F
Sunny
Monday Night
Low: 65 °F
Mostly Clear
Tuesday
High: 87 °F
Sunny
Tuesday Night
Low: 66 °F
Mostly Clear
Wednesday
High: 88 °F
Sunny then
Sunny and
Breezy

Detailed Forecast

Today

Sunny, with a high near 87. Breezy, with a south southeast wind 15 to 18 mph, with gusts as high as 25 mph.

Tonight

Mostly clear, with a low around 63. South southeast wind 10 to 16 mph, with gusts as high as 23 mph.

Sunday

Sunny, with a high near 87. Breezy, with a south wind 9 to 18 mph, with gusts as high as 25 mph.

Sunday Night

Mostly clear, with a low around 64. South southeast wind 8 to 16 mph, with gusts as high as 23 mph.

Monday

Sunny, with a high near 87. South southeast wind 6 to 15 mph, with gusts as high as 22 mph.

Monday Night

Mostly clear, with a low around 65. East southeast wind 5 to 14 mph, with gusts as high as 20 mph.

Tuesday

Sunny, with a high near 87. Light southeast wind increasing to 11 to 16 mph in the morning. Winds could gust as high as 22 mph.

Tuesday Night

Mostly clear, with a low around 66. South southeast wind 7 to 15 mph, with gusts as high as 22 mph.

Wednesday

Sunny, with a high near 88. Breezy, with a south southeast wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 25 mph.

Wednesday Night

Mostly clear, with a low around 66. Southeast wind 9 to 16 mph, with gusts as high as 23 mph.

Thursday

Sunny, with a high near 88. Breezy, with a south southeast wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.

Thursday Night

Mostly clear, with a low around 67. Breezy.

Friday

Sunny, with a high near 87. Breezy.