Barometric Pressure
Barometric Pressure in Grand Valley, Canada 
0000 hPa
00.0 ℃
00.0 m/s
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The pressure in Grand Valley, Ontario, Canada is predicted to slowly drop over the next few hours, with an average pressure of 958.5 hPa today, which is lower than normal.
Weather prediction: Expect more wet and unsettled conditions
The daily total fluctuation in pressure in Grand Valley is 9.3 hPa, with a low of 952.7 hPa and a high of 962 hPa.
Forecast
Hourly Pressure Trends
Track the barometric pressure in Grand Valley hour by hour and stay informed about how it will change over the next 6 hours.
Grand Valley, Ontario has changing air pressure due to its location and weather patterns. The surrounding Great Lakes and hills affect air pressure. In winter, cold air from the north brings low pressure, causing snow and clouds. In summer, warm air from the south brings high pressure, making it sunny and dry. Grand Valley has a humid continental climate, meaning it has big temperature differences between winter and summer. This climate type causes big changes in air pressure throughout the year.