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New: November 2026-January 2027 Outlook - Normal to warmer than normal conditions are favored through the remainder of the Fall into the upcoming Winter Season; mainly dry; marine/coastal, drought, fire weather, & 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.

Fair

81°F

27°C

Humidity	61%
Wind Speed	NE 13 G 20 mph
Barometer	29.98 in (1015.3 mb)
Dewpoint	66°F (19°C)
Visibility	10.00 mi
Heat Index	83°F (28°C)
Last update	4 Nov 11:53 am CST

More Information:

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

Extended Forecast for

Port Isabel TX

This Afternoon
High: 77 °F
Sunny
Tonight
Low: 74 °F
Mostly Clear
Thursday
High: 83 °F
Mostly Sunny
Thursday Night
Low: 73 °F
Partly Cloudy
then Showers
Likely
Friday
High: 78 °F
Showers then
Chance
Showers and
Breezy
Friday Night
Low: 72 °F
Slight Chance
Showers
Saturday
High: 77 °F
Chance
Showers
Saturday Night
Low: 70 °F
Chance
Showers and
Breezy
Sunday
High: 73 °F
Showers
Likely and
Breezy

Detailed Forecast

This Afternoon

Sunny, with a high near 77. North northeast wind 13 to 16 mph.

Tonight

Mostly clear, with a low around 74. East northeast wind 8 to 11 mph becoming south southeast after midnight.

Thursday

Mostly sunny, with a high near 83. South southeast wind 8 to 14 mph.

Thursday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Partly cloudy, with a low around 73. Southeast wind 5 to 10 mph becoming west northwest after midnight. Chance of precipitation is 60%.

Friday

Showers and possibly a thunderstorm before noon, then a chance of showers and thunderstorms between noon and 3pm, then a chance of showers after 3pm. High near 78. Breezy, with a north wind 6 to 11 mph increasing to 16 to 21 mph in the afternoon. Chance of precipitation is 80%.

Friday Night

A 20 percent chance of showers. Mostly cloudy, with a low around 72. North northeast wind 11 to 15 mph.

Saturday

A 30 percent chance of showers, mainly after noon. Partly sunny, with a high near 77. North northeast wind 15 to 17 mph.

Saturday Night

A 50 percent chance of showers. Mostly cloudy, with a low around 70. Breezy, with a northeast wind 14 to 18 mph, with gusts as high as 23 mph.

Sunday

Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 73. Breezy, with a north wind 20 to 24 mph. Chance of precipitation is 60%.

Sunday Night

A 20 percent chance of showers. Mostly cloudy, with a low around 66. Breezy, with a north northeast wind 15 to 21 mph.

Monday

Mostly sunny, with a high near 72. North wind 13 to 17 mph.

Monday Night

Partly cloudy, with a low around 67.

Tuesday

Partly sunny, with a high near 74.