Barometric Pressure in Sarnia, Canada 
0000 hPa
00.0 ℃
00.0 m/s
00.0%
Get Alerts 🚨. Sign up to receive alerts when the barometric pressure changes significantly.
The pressure in Sarnia, Ontario, Canada is predicted to steady drop over the next few hours, with an average pressure of 1000 hPa today, which is lower than normal.
Weather prediction: Continued current weather
The daily total fluctuation in pressure in Sarnia is 2.1 hPa, with a low of 999.1 hPa and a high of 1001.2 hPa.
Forecast
Hourly Pressure Trends
Track the barometric pressure in Sarnia hour by hour and stay informed about how it will change over the next 6 hours.
Weather patterns in Sarnia bring changes in air pressure, with low-pressure systems bringing rain and high-pressure systems bringing fair weather.
Sarnia's low elevation near Lake Huron and flat landscape allow air masses to move freely, causing pressure changes and varied weather.
In winter, high pressure dominates, bringing cold air, while in summer, low pressure brings warm air and instability.
Sarnia has a humid continental climate, with large pressure fluctuations causing varying weather conditions, making it important to check forecasts for outdoor plans.