Barometric Pressure in Hanover, United States 
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The pressure in Hanover, Pennsylvania, United States is predicted to slowly rise over the next few hours, with an average pressure of 991.6 hPa today, which is lower than normal.
Weather prediction: Expect more fair, dry, cool weather
The daily total fluctuation in pressure in Hanover is 3.3 hPa, with a low of 989.9 hPa and a high of 993.2 hPa.
Forecast
Hourly Pressure Trends
Track the barometric pressure in Hanover hour by hour and stay informed about how it will change over the next 6 hours.
Hanover, Pennsylvania has changing air pressure from weather patterns, making the weather forecast tricky. High pressure brings nice weather, while low pressure brings rain and storms.
Hanover's geography, with mountains to the north and ocean to the east, affects air pressure. The mountains block cold air, while the ocean brings warm, moist air, making Hanover's air pressure rise and fall.
In winter, Hanover's air pressure is usually low, bringing cold air and snow. In spring and fall, pressure is mixy, making weather unpredictable. In summer, high pressure brings hot, humid air.
Hanover has a humid continental climate, meaning it has cold winters and hot, humid summers. This climate type makes Hanover's air pressure change often, resulting in varying weather conditions.