Barometric Pressure in Jamestown, United States 
1017.6 hPa
14.6 ℃
70%
1.6 m/s
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The average pressure in Jamestown, New York, United States today is , which is considered normal. Pressure is trending falling.
Weather prediction: Rain at times, very unsettled
The daily total fluctuation in pressure in Jamestown is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Jamestown hour by hour across the next 6 hourly readings.
The barometric pressure in Jamestown, New York, is determined by the city's location in a valley. Weather systems from Lake Erie influence the pressure. Cold fronts from Canada also play a role. The pressure often changes rapidly due to these factors.
Jamestown is situated in a valley surrounded by hills. The Chautauqua Lake is to the west of the city. The lake's surface has a moderating effect on temperatures. The hills, on the other hand, can block or redirect winds. This unique landscape combination affects the atmospheric pressure. As a result, the pressure is influenced by both lake and hill effects.