Barometric Pressure in Hagerstown, United States 
1023.3 hPa
15.4 ℃
83%
1.02 m/s
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The average pressure in Hagerstown, Maryland, United States today is , which is considered normal. Pressure is trending falling.
Weather prediction: Rain at times, worse later
The daily total fluctuation in pressure in Hagerstown is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Hagerstown hour by hour across the next 6 hourly readings.
Hagerstown's weather has a big high-pressure system from the southwest in summer, bringing warm air and high pressure, making it hot and humid.
In winter, cold fronts from Canada bring low pressure, making it cold and snowy.
The city's valley shape traps cold air in winter, making it colder than surrounding areas, and warm air in summer, making it hotter.
As Hagerstown is in a humid subtropical climate, it has big pressure changes between seasons, with summer highs and winter lows, leading to mixtures of hot and cold weather.