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New: April-June 2026 Outlook: Warmer than normal temperatures are favored to continue; precipitation is a toss-up; drought, heat risk increases, occasional heavy rain/flooding, & 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.

Mostly Cloudy and Breezy

76°F

24°C

Humidity	85%
Wind Speed	S 22 G 35 mph
Barometer	29.81 in (1009.4 mb)
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Heat Index	77°F (25°C)
Last update	2 Apr 3:53 am CDT

More Information:

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

Extended Forecast for

Port Isabel TX

Today
High: 83 °F
Decreasing
Clouds and
Breezy
Tonight
Low: 73 °F
Mostly Cloudy
Friday
High: 82 °F
Mostly Sunny
and Breezy
Friday Night
Low: 72 °F
Slight Chance
Showers and
Breezy
Saturday
High: 83 °F
Partly Sunny
Saturday Night
Low: 70 °F
Chance
Showers then
Showers
Likely
Sunday
High: 79 °F
Showers
Sunday Night
Low: 66 °F
Showers
Monday
High: 73 °F
Showers
Likely and
Breezy

Detailed Forecast

Today

Mostly cloudy, then gradually becoming sunny, with a high near 83. Breezy, with a south southeast wind 17 to 21 mph, with gusts as high as 28 mph.

Tonight

Mostly cloudy, with a low around 73. Southeast wind 15 to 17 mph, with gusts as high as 23 mph.

Friday

Mostly sunny, with a high near 82. Breezy, with a south southeast wind 14 to 21 mph, with gusts as high as 26 mph.

Friday Night

A 20 percent chance of showers. Mostly cloudy, with a low around 72. Breezy, with a south southeast wind 14 to 18 mph, with gusts as high as 25 mph.

Saturday

Partly sunny, with a high near 83. South southeast wind 11 to 15 mph, with gusts as high as 20 mph.

Saturday Night

A chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 70. East southeast wind 6 to 11 mph. Chance of precipitation is 70%.

Sunday

Showers and possibly a thunderstorm. High near 79. East northeast wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Chance of precipitation is 90%.

Sunday Night

Showers and possibly a thunderstorm. Low around 66. North northeast wind 14 to 17 mph. Chance of precipitation is 80%.

Monday

Showers likely, mainly before 1pm. Cloudy, with a high near 73. Breezy, with a north wind 15 to 20 mph. Chance of precipitation is 60%.

Monday Night

A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 64. North northeast wind 8 to 16 mph.

Tuesday

A 20 percent chance of showers. Mostly cloudy, with a high near 74. Northeast wind 9 to 15 mph.

Tuesday Night

Mostly cloudy, with a low around 66.

Wednesday

Mostly cloudy, with a high near 77.