Weather forecast in Port Isabel (TX)
This data display current weather and forecast for the coming days in Port Isabel. In addition to temperature, wind, humidity and pressure, we include data on the probability of precipitation so you can have all the information about your destination before your trip.
Port Isabel current temperature and weather
| September 27, 2025 |
| Night | ||
 84.4°F Feels like: 90.9°F | Cloudy | |
Wind: 7.6 mph (12.2 Km/h)  SEPressure: 29.86 inHg (1011 hPa) Humidity: 69% | Precip. prob.: 0% Visibility: 6 mi (10 km) UV index: 0 | |
| Morning | ||
 81.1°F Feels like: 86°F | Partly Cloudy | |
Wind: 7.4 mph (11.9 Km/h)  NEPressure: 29.93 inHg (1014 hPa) Humidity: 76% | Precip. prob.: 0% Visibility: 6 mi (10 km) UV index: 0.9 | |
| Day | ||
 84.4°F Feels like: 88.7°F | Sunny | |
| Wind: 12.1 mph (19.4 Km/h) NE Pressure: 29.9 inHg (1012 hPa) Humidity: 61% | Precip. prob.: 0% Visibility: 6 mi (10 km) UV index: 7.7 | |
| Evening | ||
 81.9°F Feels like: 84.7°F | Clear | |
| Wind: 12.1 mph (19.4 Km/h) NE Pressure: 29.92 inHg (1013 hPa) Humidity: 60% | Precip. prob.: 0% Visibility: 6 mi (10 km) UV index: 0 | |
Marine weather forecast Port Isabel
The graphs show wave heights and directions, as well as wind speed and direction in Port Isabel for the coming days. Click on the sea state chart for more details
You may also be interested in other sections of our site for Port Isabel: Sea temperature, Sunrise and Sunset, Tides
Port Isabel weather by month
In order for you to be able to estimate what the weather is like in Port Isabel throughout the year, we provide monthly data for the last few years. Select the month you are interested in.
