Barometric Pressure in St. Catharines, Canada 
1012.6 hPa
14.6 ℃
97%
1.17 m/s
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The average pressure in St. Catharines, Ontario, Canada today is , which is considered normal. Pressure is trending falling.
Weather prediction: Rain at frequent intervals
Rapid Pressure Changes
Rapid pressure changes detected in St. Catharines, often a sign of approaching weather shifts. See the forecast chart or get pressure alerts.
- Rapid Fall : ()
- Rapid Rise : ()
- Rapid Rise : ()
The daily total fluctuation in pressure in St. Catharines is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in St. Catharines hour by hour across the next 6 hourly readings.
The barometric pressure in St. Catharines, Canada can vary throughout the seasons. During the colder months, the barometric pressure tends to be higher, which often results in stable and clear weather conditions. In the warmer months, the barometric pressure can fluctuate more, leading to a higher chance of precipitation such as rain or thunderstorms.
St. Catharines is nestled in the heart of the Niagara Peninsula, surrounded by the Niagara Escarpment and the Great Lake Ontario. This landscape has a significant impact on the atmospheric pressure in the area. The presence of the escarpment creates a natural barrier, causing air masses to flow over or around it, leading to changes in pressure. Additionally, the proximity to Lake Ontario can influence the weather patterns, as the temperature and moisture content of the lake can affect the air pressure in St. Catharines.
(17 km)