Barometric Pressure in Marietta, United States 
1029.7 hPa
18.3 ℃
47%
5.26 m/s
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The average pressure in Marietta, Georgia, United States today is , which is higher than normal. Pressure is trending falling.
Weather prediction: Occasional rain, worsening
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, Georgia's barometric pressure is influenced by its location in the southeastern United States. The city experiences a humid subtropical climate. Pressure systems from the Gulf of Mexico and the Atlantic Ocean affect the region.
Marietta is situated in the foothills of the Appalachian Mountains. The mountain range to the north has a significant impact on the city's atmospheric pressure. The mountains force air to rise, cool, and condense, resulting in precipitation. This orographic effect contributes to the region's varying pressure patterns.