National Weather Service

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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
Winter 2025/2026 Weather and Climate Summary for the RGV - Warm and Dry - and a Hard Freeze - Worsens Drought
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
El riesgo de propagación de incendios forestales aumenta durante marzo. Revise estas medidas de prevención.
Drought is Worsening and Increasing in Coverage Across the Area as We Head into Spring. Track Its Coverage Here.

Current conditions at

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

Lat: 26.16°NLon: 97.34°WElev: 16ft.

Fair

64°F

18°C

Humidity	87%
Wind Speed	SE 9 mph
Barometer	29.93 in (1013.4 mb)
Dewpoint	60°F (16°C)
Visibility	10.00 mi
Last update	14 Mar 2:53 am CDT

More Information:

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

Extended Forecast for

2 Miles E Los Fresnos TX

Overnight
Low: 61 °F
Clear
Saturday
High: 86 °F
Sunny then
Sunny and
Breezy
Saturday Night
Low: 68 °F
Mostly Clear
and Breezy
then Partly
Cloudy
Sunday
High: 91 °F
Mostly Sunny
and Breezy
Sunday Night
Low: 56 °F
Partly Cloudy
then Slight
Chance
T-storms and
Breezy
Monday
High: 66 °F
Decreasing
Clouds and
Windy
Monday Night
Low: 50 °F
Partly Cloudy
Tuesday
High: 72 °F
Partly Sunny
Tuesday Night
Low: 54 °F
Mostly Clear

Detailed Forecast

Overnight

Clear, with a low around 61. South southeast wind around 7 mph.

Saturday

Sunny, with a high near 86. Breezy, with a south southeast wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 26 mph.

Saturday Night

Partly cloudy, with a low around 68. Breezy, with a south southeast wind 14 to 18 mph, with gusts as high as 25 mph.

Sunday

Mostly sunny, with a high near 91. Breezy, with a south wind 14 to 22 mph, with gusts as high as 32 mph.

Sunday Night

A slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 56. Breezy, with a southeast wind 11 to 16 mph becoming north 18 to 23 mph after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 20%.

Monday

Mostly cloudy, then gradually becoming sunny, with a high near 66. Windy, with a north wind 21 to 30 mph, with gusts as high as 43 mph.

Monday Night

Partly cloudy, with a low around 50. North northeast wind 6 to 15 mph, with gusts as high as 21 mph.

Tuesday

Partly sunny, with a high near 72. East northeast wind 6 to 15 mph, with gusts as high as 20 mph.

Tuesday Night

Mostly clear, with a low around 54. East wind 6 to 14 mph.

Wednesday

Sunny, with a high near 79. Southeast wind 6 to 15 mph, with gusts as high as 21 mph.

Wednesday Night

Mostly clear, with a low around 59. Southeast wind 6 to 14 mph, with gusts as high as 20 mph.