National Weather Service

News Headlines

New: 2025 In Review - Heat Dominates for a 3rd Year in Row; A March Historic Flood and Continued Water Issues Made Headlines
January-March 2026 Outlook - Drier and Warmer than Normal Conditions Expected To Continue; 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.

Fair

50°F

10°C

Humidity	89%
Wind Speed	SE 6 mph
Barometer	29.96 in (1014.5 mb)
Dewpoint	47°F (8°C)
Visibility	10.00 mi
Wind Chill	48°F (9°C)
Last update	16 Jan 4:53 am CST

More Information:

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

Extended Forecast for

Port Isabel TX

Today
High: 74 °F
Sunny and
Breezy
Tonight
Low: 62 °F
Mostly Cloudy
Saturday
High: 68 °F
Breezy.
Slight Chance
Showers then
Chance
Showers
Saturday Night
Low: 54 °F
Breezy.
Chance
Showers then
Slight Chance
Showers
Sunday
High: 62 °F
Sunny and
Breezy then
Sunny
Sunday Night
Low: 56 °F
Mostly Clear
M.L.King Day
High: 69 °F
Partly Sunny
Monday Night
Low: 63 °F
Mostly Cloudy
Tuesday
High: 70 °F
Chance
Showers

Detailed Forecast

Today

Sunny, with a high near 74. Breezy, with a south wind 13 to 20 mph.

Tonight

Mostly cloudy, with a low around 62. South wind 6 to 13 mph becoming north northeast after midnight.

Saturday

A 50 percent chance of showers, mainly after noon. Mostly cloudy, with a high near 68. Breezy, with a north northeast wind 14 to 22 mph.

Saturday Night

A 50 percent chance of showers, mainly before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 54. Breezy, with a north wind 21 to 24 mph, with gusts as high as 29 mph.

Sunday

Sunny, with a high near 62. Breezy, with a north wind 11 to 20 mph.

Sunday Night

Mostly clear, with a low around 56. East northeast wind 7 to 10 mph becoming southeast in the evening.

M.L.King Day

Partly sunny, with a high near 69. Southeast wind 8 to 14 mph.

Monday Night

Mostly cloudy, with a low around 63. East southeast wind 11 to 14 mph.

Tuesday

A 30 percent chance of showers, mainly after noon. Mostly cloudy, with a high near 70. East southeast wind 11 to 16 mph, with gusts as high as 21 mph.

Tuesday Night

A 40 percent chance of showers. Mostly cloudy, with a low around 65. Southeast wind 11 to 14 mph.

Wednesday

A 40 percent chance of showers. Mostly cloudy, with a high near 72. South southeast wind 11 to 15 mph, with gusts as high as 20 mph.

Wednesday Night

A 20 percent chance of showers. Mostly cloudy, with a low around 65.

Thursday

Mostly sunny, with a high near 74.