Barometric Pressure in Rochester, United States 
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The pressure in Rochester, New York, United States is predicted to drop over the next few hours, with an average pressure of 981.3 hPa today, which is lower than normal.
Weather prediction: Expect wet, unsettled weather and a strong breeze
The daily total fluctuation in pressure in Rochester is 7.4 hPa, with a low of 978.2 hPa and a high of 985.6 hPa.
Forecast
Hourly Pressure Trends
Track the barometric pressure in Rochester hour by hour and stay informed about how it will change over the next 6 hours.
The barometric pressure in Rochester, New York fluctuates throughout the year. It changes with the weather patterns and seasons. Pressure systems from the surrounding regions influence the city's pressure.
Rochester is situated on the southern shore of Lake Ontario. The lake's proximity affects the local climate. The city's landscape is relatively flat and low-lying. This allows air masses to move freely and influence the pressure.
The surrounding hills and mountains to the south and east create a rain shadow effect. This blocks some air masses from reaching the city. As a result, Rochester's pressure is affected by the movement of air around these natural barriers.