Barometric Pressure in Corunna, Canada 
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The pressure in Corunna, Ontario, Canada is predicted to slowly drop over the next few hours, with an average pressure of 984.7 hPa today, which is lower than normal.
Weather prediction: Expect more wet and unsettled conditions
The daily total fluctuation in pressure in Corunna is 4.7 hPa, with a low of 981.8 hPa and a high of 986.5 hPa.
Forecast
Hourly Pressure Trends
Track the barometric pressure in Corunna hour by hour and stay informed about how it will change over the next 6 hours.
The barometric pressure in Corunna, Ontario, Canada is influenced by several factors. It can fluctuate significantly throughout the day. Changes in pressure affect the weather. Pressure systems moving in from Lake Huron influence the city's weather patterns.
Corunna is nestled in a valley surrounded by hills and Lake Huron. The surrounding landscape has an impact on the atmospheric pressure. The lake's presence helps moderate temperatures. The hills block or redirect winds that would otherwise bring changes in pressure. This unique combination affects the local weather.
The city's proximity to Lake Huron also influences the moisture levels in the air. Water evaporating from the lake contributes to the humidity. This can lead to fog or precipitation when it meets the cooler air from the hills. The resulting weather patterns are unique to Corunna.