Barometric Pressure
Barometric Pressure in Dunnville, Canada 
1031.7 hPa
6.1 ℃
77%
1.63 m/s
Get Alerts 🚨. Sign up to receive alerts when the barometric pressure changes significantly.
The average pressure in Dunnville, Ontario, Canada today is , which is higher than normal. Pressure is trending falling.
Weather prediction: Rain at times, worse later
The daily total fluctuation in pressure in Dunnville is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Dunnville hour by hour across the next 6 hourly readings.
Dunnville, Ontario, Canada has a humid continental climate. This means it has big temperature differences between seasons. In winter, cold air from the Arctic makes air pressure low. In summer, warm air from the Gulf of Mexico makes air pressure high. The Niagara Escarpment, a big hill, blocks some of the air moving from the lake. This helps keep the area's air pressure relatively steady. In spring and fall, air pressure can change quickly, causing unstable weather.