Barometric Pressure in Watertown, United States 
0000 hPa
00.0 ℃
00.0%
00.0 m/s
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The pressure in Watertown, Massachusetts, United States is predicted falling over the next 24 hours, with an average pressure of today, which is lower than normal.
Weather prediction: Rain at times, very unsettled
Rapid Pressure Changes
Rapid pressure changes detected in Watertown - often a sign of approaching weather shifts. Get accurate local time and alerts on our iOS app.
- Rapid Rise - ()
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 and stay informed about how it will change over the next 6 hours.
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.