Barometric Pressure in Port Arthur, United States 
1016.8 hPa
28 ℃
47%
4.02 m/s
Get Alerts 🚨. Sign up to receive alerts when the barometric pressure changes significantly.
The average pressure in Port Arthur, Texas, United States today is , which is considered normal. Pressure is trending steady.
Weather prediction: Fairly fine, showers likely
The daily total fluctuation in pressure in Port Arthur is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Port Arthur hour by hour across the next 6 hourly readings.
The barometric pressure in Port Arthur, Texas, fluctuates throughout the year. It rises and falls in a repetitive pattern, influencing the local weather. Changes in pressure affect the temperature and humidity levels.
Port Arthur is situated near the Gulf of Mexico, surrounded by marshes and wetlands. This unique landscape traps moisture from the ocean. The nearby Sabine-Neches Waterway and surrounding bayous also contribute to the high humidity. The flat, low-lying terrain allows air masses to move freely, bringing varying weather conditions. The city's proximity to the coast makes it prone to hurricanes and tropical storms.