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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.

Mostly Cloudy

54°F

12°C

Humidity	64%
Wind Speed	NW 14 mph
Barometer	30.16 in (1021.4 mb)
Dewpoint	42°F (6°C)
Visibility	10.00 mi
Wind Chill	50°F (10°C)
Last update	2 Dec 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: 62 °F
Cloudy
Tonight
Low: 58 °F
Mostly Cloudy
Wednesday
High: 76 °F
Mostly Cloudy
then Chance
Showers
Wednesday Night
Low: 70 °F
Slight Chance
T-storms
Thursday
High: 77 °F
Chance
Showers then
Showers
Likely
Thursday Night
Low: 56 °F
Showers
Likely
Friday
High: 63 °F
Chance
Showers then
Cloudy
Friday Night
Low: 58 °F
Chance
Showers
Saturday
High: 73 °F
Slight Chance
Showers then
Mostly Cloudy

Detailed Forecast

This Afternoon

Cloudy, with a high near 62. North wind 10 to 17 mph, with gusts as high as 22 mph.

Tonight

Mostly cloudy, with a low around 58. North northeast wind 5 to 8 mph becoming calm.

Wednesday

A chance of showers and thunderstorms before 3pm, then a slight chance of showers after 5pm. Mostly cloudy, with a high near 76. South southeast wind 6 to 14 mph. Chance of precipitation is 30%.

Wednesday Night

A slight chance of showers before 9pm, then a slight chance of showers and thunderstorms between 9pm and 3am, then a slight chance of showers after 3am. Mostly cloudy, with a low around 70. South wind 8 to 10 mph. Chance of precipitation is 20%.

Thursday

A chance of showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then showers likely after 3pm. Cloudy, with a high near 77. South wind 8 to 15 mph becoming north in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 60%.

Thursday Night

Showers likely before midnight, then showers likely and possibly a thunderstorm between midnight and 3am, then showers likely after 3am. Cloudy, with a low around 56. North northwest wind around 15 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.

Friday

A 30 percent chance of showers before noon. Cloudy, with a high near 63. North northwest wind 10 to 14 mph, with gusts as high as 20 mph.

Friday Night

A 40 percent chance of showers. Cloudy, with a low around 58. North northwest wind 7 to 9 mph.

Saturday

A 20 percent chance of showers before noon. Mostly cloudy, with a high near 73. North northwest wind 8 to 11 mph.

Saturday Night

Mostly cloudy, with a low around 62. North northeast wind 5 to 8 mph becoming west northwest after midnight.

Sunday

Mostly sunny, with a high near 77. Northwest wind 5 to 9 mph becoming east northeast in the afternoon.

Sunday Night

Partly cloudy, with a low around 65.