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 6, 2025

Night
84.2°F Feels like: 97.3°F	Clear
	Wind: 13.6 mph (22 Km/h) S Pressure: 29.86 inHg (1011 hPa) Humidity: 89%	Precip. prob.: 0% Visibility: 6 mi (10 km) UV index: 0
Morning
84.6°F Feels like: 97.9°F	Overcast
	Wind: 11.4 mph (18.4 Km/h) S Pressure: 29.92 inHg (1013 hPa) Humidity: 87%	Precip. prob.: 0% Visibility: 5 mi (9 km) UV index: 1.2
Day
86.5°F Feels like: 100.8°F	Sunny
	Wind: 12.3 mph (19.8 Km/h) SE Pressure: 29.92 inHg (1013 hPa) Humidity: 80%	Precip. prob.: 0% Visibility: 5 mi (9 km) UV index: 7.6
Evening
84.7°F Feels like: 97.5°F	Clear
	Wind: 11.2 mph (18 Km/h) E Pressure: 29.94 inHg (1014 hPa) Humidity: 85%	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

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.

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Our report for Port Isabel is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.