Barometric Pressure in Mississauga, Canada 
1012.6 hPa
2.7 ℃
92%
2.24 m/s
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The average pressure in Mississauga, Ontario, Canada today is , which is considered normal. Pressure is trending rising.
Weather prediction: Fairly fine, improving
Rapid Pressure Changes
Rapid pressure changes detected in Mississauga, often a sign of approaching weather shifts. See the forecast chart or get pressure alerts.
- Rapid Fall : ()
The daily total fluctuation in pressure in Mississauga is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Mississauga hour by hour across the next 6 hourly readings.
Mississauga's weather is affected by its location near Lake Ontario, which makes the air pressure change frequently.
Air pressure is lower near the lake because water heats and cools slower than land, making the air above it rise or sink.
In winter, cold Arctic air brings high pressure, making the air sink, and it gets cold and dry.
In summer, warm air from the Gulf of Mexico brings low pressure, making the air rise, and it gets hot and humid.
Mississauga has a continental climate with cold winters and warm summers, which means big air pressure changes between seasons.