Barometric Pressure in St. John, Canada 
1029.9 hPa
8.4 ℃
41%
2.83 m/s
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The average pressure in St. John, New Brunswick, Canada today is , which is higher than normal. Pressure is trending rising.
Weather prediction: Fairly fine, possible showers early
Rapid Pressure Changes
Rapid pressure changes detected in St. John, often a sign of approaching weather shifts. See the forecast chart or get pressure alerts.
- Rapid Rise : ()
The daily total fluctuation in pressure in St. John is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in St. John hour by hour across the next 6 hourly readings.
The barometric pressure in St. John, New Brunswick, Canada is relatively low. It ranges from 980 to 1010 millibars. This range is typical for a coastal city.
St. John is situated on the Bay of Fundy. The bay is known for having the highest tides in the world. This unique geography affects the atmospheric pressure. The bay's shape and size influence the air pressure.
The surrounding landscape also plays a role. The city is nestled among hills and mountains. These terrain features block and redirect air masses. This redirection affects the barometric pressure.
The weather patterns in St. John are impacted by its proximity to the Atlantic Ocean. The ocean's warmth and moisture influence the air pressure. As a result, the pressure is often lower than inland areas.