Port Arthur Weather Forecast
Current Conditions & 10-Day Outlook
Current Weather Conditions in Port Arthur
Port Arthur
Texas, United States
OvercastHourly Port Arthur Weather Forecast
30°
28°27°27°26°25°26°26°25°26°25°25°25°28°30°31°32°32°
26°29°31°32°32°31°Very gentle wind.
Low chance of precipitation.
Port Arthur 10-Day Weather Outlook
Today's Weather in Port Arthur, Texas, United States
Wed, Jul 08
Thu, Jul 09
Fri, Jul 10
Sat, Jul 11
Sun, Jul 12
Mon, Jul 13
Tue, Jul 14
Wed, Jul 15
Thu, Jul 16
Feels like
Feels warmer than actual temperature.
Pressure
Expect clear and stable weather.
Humidity
High humidity.
UV
Take precautions.
Gusts
Max speed of wind gusts today.
Cloud Cover
Overcast, expect cloudy conditions.
Daylight
Long days, short nights.
Rain
No rain, dry conditions expected.
Snowfall
No snowfall expected.
Current Air Quality in Port Arthur
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About Port Arthur Weather
General
This page provides the current weather forecast for Port Arthur, Texas, United States, including hourly conditions, a 10-day outlook, wind speed and direction, precipitation, UV index, and air quality - giving you everything you need to plan your day in one view.
Forecast & Methodology
The forecast data on this page is sourced from the ECMWF open-source model - a reliable global model used widely across weather services worldwide. For sailors, boaters, and mariners who need greater accuracy and higher resolution, PredictWind's proprietary forecast models deliver precision down to 1km resolution, updated multiple times daily and validated against real-world observations. Sign up free to access PredictWind's advanced forecasts.
Sailing & Marine Conditions
Port Arthur weather forecasts on PredictWind are optimised for sailors and boaters who need precise, reliable wind and wave data for passage planning and day sailing. PredictWind is used by ocean racers, cruising sailors, and commercial vessel operators across United States and worldwide. For detailed marine conditions including wave height, swell period, and offshore wind forecasts, see the Port Arthur marine forecast.
Units
Wind speed is displayed in knots - the standard unit used by sailors, weather services, and maritime authorities. Temperature is shown in degrees Celsius. Use the toggle at the top of the page to switch between Celsius and Fahrenheit. Pressure is shown in hPa, rainfall in millimetres, and air quality is available in both US and EU AQI standards.