Barometric Pressure in Watertown, United States 
1014.2 hPa
12.4 ℃
94%
1.7 m/s
Get Alerts 🚨. Sign up to receive alerts when the barometric pressure changes significantly.
The average pressure in Watertown, Massachusetts, United States today is , which is considered normal. Pressure is trending falling.
Weather prediction: Rain at frequent intervals
Rapid Pressure Changes
Rapid pressure changes detected in Watertown, often a sign of approaching weather shifts. See the forecast chart or get pressure alerts.
- Rapid Fall : ()
- Rapid Rise : ()
- Rapid Fall : ()
The daily total fluctuation in pressure in Watertown is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Watertown hour by hour across the next 6 hourly readings.
Watertown, Massachusetts, has changing air pressure due to its location near the Atlantic Ocean. Cold air from Canada and warm air from the ocean clash, making air pressure rise and fall.
The town's geography, with the Charles River running through it, helps create different air pressure zones. The river's valley can trap cold air, making it colder than surrounding areas.
In winter, cold air brings low pressure, causing snowfall. In summer, warm air brings high pressure, making it hotter. Spring and fall have mixed pressure, with mild temperatures and rain.
Watertown has a humid continental climate, which means big temperature differences between winter and summer. This climate type brings changing air pressure patterns, affecting the weather.