National Weather Service

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Drought is Worsening and Increasing in Coverage Across the Area this Fall. Track Its Coverage Here.
New: December 2025-February 2026 Outlook - Drier and Warmer than Normal Conditions Expected; Drought, Wildfire Potential, Water Supply Issues and Cold Fronts Remain In Focus

Current conditions at

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

Lat: 26.16°NLon: 97.34°WElev: 16ft.

Overcast

52°F

11°C

Humidity	83%
Wind Speed	NW 20 mph
Barometer	30.12 in (1019.8 mb)
Dewpoint	47°F (8°C)
Visibility	10.00 mi
Wind Chill	46°F (8°C)
Last update	1 Dec 1:53 am CST

More Information:

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

Extended Forecast for

Port Isabel TX

Overnight
Low: 56 °F
Chance
Showers and
Breezy
Monday
High: 62 °F
Chance
Showers and
Breezy then
Mostly Cloudy
Monday Night
Low: 59 °F
Chance
Showers and
Breezy
Tuesday
High: 64 °F
Breezy.
Slight Chance
Showers then
Mostly Cloudy
Tuesday Night
Low: 63 °F⇑
Mostly Cloudy
Wednesday
High: 78 °F
Mostly Cloudy
then Chance
Showers
Wednesday Night
Low: 73 °F
Slight Chance
Showers then
Slight Chance
T-storms
Thursday
High: 78 °F
Chance
Showers then
Chance
T-storms
Thursday Night
Low: 62 °F
Showers
Likely

Detailed Forecast

Overnight

A chance of showers and thunderstorms. Cloudy, with a low around 56. Breezy, with a north northwest wind 18 to 20 mph. Chance of precipitation is 40%.

Monday

A 30 percent chance of showers, mainly before 8am. Mostly cloudy, with a high near 62. Breezy, with a northwest wind 13 to 18 mph, with gusts as high as 23 mph.

Monday Night

A slight chance of showers before 7pm, then a chance of showers after 9pm. Cloudy, with a low around 59. Breezy, with a north northwest wind 10 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.

Tuesday

A 20 percent chance of showers before noon. Cloudy, with a high near 64. Breezy, with a north wind 13 to 21 mph.

Tuesday Night

Mostly cloudy, with a temperature rising to around 68 by 5am. North northeast wind 6 to 10 mph becoming southeast after midnight.

Wednesday

A 30 percent chance of showers after noon. Mostly cloudy, with a high near 78. South southeast wind 8 to 14 mph.

Wednesday Night

A slight chance of showers before midnight, then a slight chance of showers and thunderstorms between midnight and 3am, then a slight chance of showers after 3am. Mostly cloudy, with a low around 73. South wind around 11 mph. Chance of precipitation is 20%.

Thursday

A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 78. South wind 10 to 14 mph. Chance of precipitation is 50%.

Thursday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. Southeast wind around 14 mph becoming north northwest in the evening. Chance of precipitation is 70%.

Friday

A 40 percent chance of showers. Cloudy, with a high near 68. North northwest wind 13 to 15 mph.

Friday Night

A 40 percent chance of showers. Mostly cloudy, with a low around 62. North wind around 11 mph.

Saturday

A 20 percent chance of showers. Partly sunny, with a high near 73.

Saturday Night

Mostly cloudy, with a low around 66.

Sunday

Mostly sunny, with a high near 77.