Barometric Pressure in Nepean, Canada 
1016.7 hPa
14.1 ℃
79%
2.96 m/s
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The average pressure in Nepean, Ontario, Canada today is , which is considered normal. Pressure is trending falling.
Weather prediction: Rain at times, very unsettled
The daily total fluctuation in pressure in Nepean is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Nepean hour by hour across the next 6 hourly readings.
Nepean, Ontario has a continental climate. Air pressure changes here due to weather patterns, like high and low-pressure systems moving in.
Cold air from the north brings high pressure, while warm air from the south brings low pressure. Nepean's location near Ottawa River and surrounding hills affects air pressure.
In winter, high pressure dominates, bringing cold and clear skies. In summer, low pressure systems bring warm and humid air.
Seasonal changes impact air pressure: spring and fall have more changeable pressure, with both high and low systems. Nepean's climate type leads to significant pressure changes throughout the year.