National Weather Service

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Drought is Worsening and Increasing in Coverage Across the Area this Fall. Track Its Coverage Here.
New: November-January 2026 Outlook - Drier and Warmer than Normal Conditions Expected; Drought, Wildfire Potential, and Water Supply Issues Persist

Current conditions at

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

Lat: 26.16°NLon: 97.34°WElev: 16ft.

Fair

76°F

24°C

Humidity	91%
Wind Speed	S 6 mph
Barometer	30.08 in (1018.6 mb)
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	76°F (24°C)
Last update	23 Nov 7:53 am CST

More Information:

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

Extended Forecast for

Port Isabel TX

Today
High: 84 °F
Mostly Sunny
Tonight
Low: 74 °F
Partly Cloudy
then Partly
Cloudy and
Breezy
Monday
High: 85 °F
Mostly Sunny
and Breezy
Monday Night
Low: 73 °F
Partly Cloudy
Tuesday
High: 85 °F
Mostly Sunny
Tuesday Night
Low: 70 °F
Partly Cloudy
then Chance
T-storms
Wednesday
High: 80 °F
Showers
Likely then
Chance
T-storms
Wednesday Night
Low: 68 °F
Chance
Showers
Thanksgiving Day
High: 77 °F
Slight Chance
Showers

Detailed Forecast

Today

Mostly sunny, with a high near 84. Southeast wind 8 to 14 mph.

Tonight

Partly cloudy, with a low around 74. Breezy, with a southeast wind 14 to 18 mph, with gusts as high as 25 mph.

Monday

Mostly sunny, with a high near 85. Breezy, with a south wind 15 to 22 mph.

Monday Night

Partly cloudy, with a low around 73. South southeast wind 8 to 14 mph, with gusts as high as 20 mph.

Tuesday

Mostly sunny, with a high near 85. South wind 7 to 10 mph.

Tuesday Night

A 40 percent chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 70. East southeast wind 6 to 9 mph becoming northeast after midnight.

Wednesday

Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 80. North northeast wind 9 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

Wednesday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. North northeast wind 11 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

Thanksgiving Day

A 20 percent chance of showers. Partly sunny, with a high near 77. North northeast wind 11 to 14 mph.

Thursday Night

Partly cloudy, with a low around 67. East southeast wind 8 to 11 mph.

Friday

A 20 percent chance of showers. Partly sunny, with a high near 79. East southeast wind 9 to 15 mph.

Friday Night

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

Saturday

A 20 percent chance of showers. Partly sunny, with a high near 82. Breezy.