Barometric Pressure in DeWitt, United States 
0000 hPa
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The pressure in DeWitt, New York, United States is predicted to drop over the next few hours, with an average pressure of 998.5 hPa today, which is lower than normal.
Weather prediction: Expect wet, unsettled weather and a strong breeze
The daily total fluctuation in pressure in DeWitt is 6.5 hPa, with a low of 994.7 hPa and a high of 1001.2 hPa.
Forecast
Hourly Pressure Trends
Track the barometric pressure in DeWitt hour by hour and stay informed about how it will change over the next 6 hours.
DeWitt, New York has changing air pressure due to its location. Its geography, being near Lake Ontario, affects air pressure. In winter, cold air from Canada brings low pressure, causing snow. In summer, warm air from the lake brings high pressure, making it warm and sunny. DeWitt has a humid continental climate, with big temperature changes between seasons, which affects air pressure.