Barometric Pressure in Apto, Canada 
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The pressure in Apto, Ontario, Canada is predicted to slowly drop over the next few hours, with an average pressure of 970.4 hPa today, which is lower than normal.
Weather prediction: Expect more wet and unsettled conditions
The daily total fluctuation in pressure in Apto is 4 hPa, with a low of 968.6 hPa and a high of 972.6 hPa.
Forecast
Hourly Pressure Trends
Track the barometric pressure in Apto hour by hour and stay informed about how it will change over the next 6 hours.
Apto, Ontario's weather is affected by its location near the Great Lakes. This leads to changes in air pressure, which affects the weather.
Air pressure is higher when the winds come from the land, bringing cold air from the north. This happens often in winter, making it cold and snowy.
The lakes have a warming effect on Apto, causing air pressure to rise. This happens in summer, bringing warm and humid air from the south.
In spring and fall, air pressure is lower, making the weather more unpredictable with a mix of warm and cold air.
Apto's geography, with its proximity to Lake Ontario, makes it a humid continental climate. This means cold winters, warm summers, and big pressure changes between seasons.