Barometric Pressure in Maryland, United States 
0000 hPa
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The pressure in Maryland, New York, United States is predicted to drop over the next few hours, with an average pressure of 951.1 hPa today, which is lower than normal.
Weather prediction: Expect wet, unsettled weather and a strong breeze
The daily total fluctuation in pressure in Maryland is 9 hPa, with a low of 948 hPa and a high of 957 hPa.
Forecast
Hourly Pressure Trends
Track the barometric pressure in Maryland hour by hour and stay informed about how it will change over the next 6 hours.
Maryland's weather is affected by its location near the Atlantic Ocean and the Appalachian Mountains. This creates a mix of humid and dry air, changing air pressure.
Mountain ranges block or redirect air masses, making air pressure rise or fall. Ocean breezes bring moisture, adding to air pressure changes.
In winter, high-pressure systems bring cold, dry air, making it colder. In summer, low-pressure systems bring warm, humid air, making it hotter and more humid.
Maryland has a humid subtropical climate, with hot summers and mild winters. This means air pressure swings between high and low, creating changing weather patterns.