Barometric Pressure in Marietta, United States 
1015.9 hPa
10.1 ℃
87%
1.84 m/s
Get Alerts 🚨. Sign up to receive alerts when the barometric pressure changes significantly.
The average pressure in Marietta, Ohio, United States today is , which is considered normal. Pressure is trending rising.
Weather prediction: Fine, possible showers
The daily total fluctuation in pressure in Marietta is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Marietta hour by hour across the next 6 hourly readings.
Marietta's weather is influenced by its location in the Midwest. Air pressure changes when cold Canadian air meets warm Gulf of Mexico air, causing varying weather patterns.
The Ohio River Valley, where Marietta sits, creates a unique geography. The river's warm air and surrounding hills affect air pressure, making it changeable.
In winter, cold air dominates, pressing down and making air pressure higher. Spring and fall have mixed air, resulting in more moderate pressure. Summer's warm air rises, lowering air pressure.
Marietta has a humid subtropical climate. This type of climate experiences large temperature and humidity changes, causing air pressure to fluctuate.