Port Isabel, TX Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Port Isabel, TX in one place.
Partly sunny, with a high near 82. Southeast wind 12 to 20 mph, with gusts as high as 25 mph.
Local Weather Overview
This forecast page for Port Isabel, TX is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 9, 2026 3:27 PM CDT.
The active forecast window currently covers Apr 12 to Apr 15, 2026 for Port Isabel, TX.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 12 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 3:27 PM CDT
- Forecast office
- BRO
- Source
- NOAA / NWS
Daily Outlook
This Week in Port Isabel
Tuesday looks like the warmest upcoming period in Port Isabel at 84 degrees F.
Sunday Night is the coolest period ahead with temperatures near 72 degrees F.
The strongest winds are forecast for Tuesday at about 16 to 22 mph SSE.
The forecast from Apr 12 through Apr 15 stays mostly dry.
Forecast Details
- Last updated
- Apr 9, 2026 3:27 PM CDT
- Coverage
- 4 days
- Time zone
- America/Chicago
- Forecast office
- BRO
- Radar station
- KBRO
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly cloudy, with a low around 72. Southeast wind 13 to 16 mph, with gusts as high as 22 mph.
Partly sunny, with a high near 83. Southeast wind 14 to 21 mph.
Partly cloudy, with a low around 72. Southeast wind around 18 mph.
Partly sunny, with a high near 84. South southeast wind 16 to 22 mph, with gusts as high as 28 mph.
Mostly cloudy, with a low around 72.
Mostly cloudy, with a high near 84.
Mostly cloudy, with a low around 72.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Apr 12
|
Partly Sunny
|
82°F |
12 to 20 mph
SE
|
|
Sunday Night
Apr 12
|
Mostly Cloudy
|
72°F |
13 to 16 mph
SE
|
|
Monday
Apr 13
|
Partly Sunny
|
83°F |
14 to 21 mph
SE
|
|
Monday Night
Apr 13
|
Partly Cloudy
|
72°F |
18 mph
SE
|
|
Tuesday
Apr 14
|
Partly Sunny
|
84°F |
16 to 22 mph
SSE
|
|
Tuesday Night
Apr 14
|
Mostly Cloudy
|
72°F |
14 to 18 mph
SE
|
|
Wednesday
Apr 15
|
Mostly Cloudy
|
84°F |
14 to 20 mph
SE
|
|
Wednesday Night
Apr 15
|
Mostly Cloudy
|
72°F |
12 to 16 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Port Isabel.
