Barometric Pressure in Markham, Canada 
0000 hPa
00.0 ℃
00.0 m/s
00.0%
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The pressure in Markham, Ontario, Canada is predicted to slowly rise over the next few hours, with an average pressure of 1002.2 hPa today, which is lower than normal.
Weather prediction: Expect more fair, dry, cool weather
The daily total fluctuation in pressure in Markham is 5.4 hPa, with a low of 998.8 hPa and a high of 1004.2 hPa.
Forecast
Hourly Pressure Trends
Track the barometric pressure in Markham hour by hour and stay informed about how it will change over the next 6 hours.
Changes in weather patterns in Markham cause barometric pressure to rise and fall. High pressure brings fair weather, while low pressure brings stormy weather.
Markham's low elevation and flat landscape make atmospheric pressure changes more gradual. The city's proximity to Lake Ontario also affects pressure variability.
In winter, pressure is usually high, bringing cold and dry air. In summer, pressure is lower, bringing warm and humid air. In spring and fall, pressure is more unstable, leading to changing weather.
Markham has a humid continental climate, which means barometric pressure changes often, bringing varying weather conditions that can be quite different from one day to the next.