Barometric Pressure in Dorset, Canada 
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The pressure in Dorset, Ontario, Canada is predicted to slowly drop over the next few hours, with an average pressure of 984 hPa today, which is lower than normal.
Weather prediction: Expect more wet and unsettled conditions
The daily total fluctuation in pressure in Dorset is 4.3 hPa, with a low of 981.5 hPa and a high of 985.8 hPa.
Forecast
Hourly Pressure Trends
Track the barometric pressure in Dorset hour by hour and stay informed about how it will change over the next 6 hours.
Dorset, Ontario, Canada is in a region with changing air pressure. The town's location near Lake of Bays and surrounding hills affects air pressure.
In winter, cold Arctic air brings low pressure, causing cold temperatures and snow. As winter ends, warmer air from the Gulf of Mexico brings higher pressure, leading to milder temperatures.
In summer, warm air from the Gulf brings high pressure, resulting in warm temperatures and humidity. In autumn, cooler air from the Arctic returns, bringing lower pressure and cooler temperatures.
Dorset has a humid continental climate, meaning big temperature differences between winter and summer. Air pressure changes drive these temperature swings, making Dorset's weather interesting and sometimes unpredictable.