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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.

Light Rain and Breezy

84°F

29°C

Humidity	63%
Wind Speed	SE 25 G 33 mph
Barometer	29.95 in (1014.2 mb)
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Heat Index	88°F (31°C)
Last update	15 Apr 12:53 pm CDT

More Information:

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

Extended Forecast for

Port Isabel TX

This Afternoon
High: 79 °F
Mostly Cloudy
and Breezy
Tonight
Low: 74 °F
Mostly Cloudy
Thursday
High: 80 °F
Mostly Cloudy
then Mostly
Sunny and
Breezy
Thursday Night
Low: 74 °F
Partly Cloudy
Friday
High: 80 °F
Partly Sunny
and Breezy
Friday Night
Low: 74 °F
Mostly Cloudy
and Breezy
then Mostly
Cloudy
Saturday
High: 81 °F
Mostly Cloudy
and Breezy
Saturday Night
Low: 72 °F
Slight Chance
Showers then
Chance
T-storms
Sunday
High: 75 °F
Showers
Likely and
Breezy

Detailed Forecast

This Afternoon

Mostly cloudy, with a high near 79. Breezy, with a southeast wind 18 to 20 mph.

Tonight

Mostly cloudy, with a low around 74. Southeast wind around 14 mph.

Thursday

Partly sunny, with a high near 80. Breezy, with a southeast wind 11 to 18 mph.

Thursday Night

Partly cloudy, with a low around 74. Southeast wind around 15 mph, with gusts as high as 20 mph.

Friday

Partly sunny, with a high near 80. Breezy, with a south southeast wind 14 to 22 mph, with gusts as high as 28 mph.

Friday Night

Mostly cloudy, with a low around 74. Breezy, with a southeast wind around 18 mph, with gusts as high as 24 mph.

Saturday

Mostly cloudy, with a high near 81. Breezy, with a south southeast wind 16 to 18 mph, with gusts as high as 23 mph.

Saturday Night

A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 72. East southeast wind 9 to 13 mph becoming northeast after midnight. Chance of precipitation is 50%.

Sunday

Showers likely and possibly a thunderstorm. Cloudy, with a high near 75. Breezy, with a northeast wind 17 to 23 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.

Sunday Night

A chance of showers and thunderstorms. Cloudy, with a low around 70. Breezy, with a northeast wind 14 to 21 mph. Chance of precipitation is 50%.

Monday

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 76. Breezy, with an east wind 14 to 18 mph, with gusts as high as 23 mph.

Monday Night

A 20 percent chance of showers. Mostly cloudy, with a low around 71.

Tuesday

A 20 percent chance of showers. Partly sunny, with a high near 78.