Barometric Pressure in Charlestown, United States 
1015.6 hPa
10.5 ℃
66%
2.24 m/s
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The average pressure in Charlestown, Massachusetts, United States today is , which is considered normal. Pressure is trending rising.
Weather prediction: Fairly fine, improving
Rapid Pressure Changes
Rapid pressure changes detected in Charlestown, often a sign of approaching weather shifts. See the forecast chart or get pressure alerts.
- Rapid Fall : ()
- Rapid Fall : ()
The daily total fluctuation in pressure in Charlestown is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Charlestown hour by hour across the next 6 hourly readings.
Charlestown has coastal weather with changing air pressure. When low-pressure systems move in, it often rains or storms. High-pressure systems bring clear skies.
Charlestown's coastal location and nearby Boston Harbor affect air pressure. The ocean helps regulate temperature and pressure.
In winter, high pressure brings cold and sometimes snow. Low pressure brings storms. In summer, high pressure brings warm and sunny days.
Charlestown has a humid continental climate. This means it experiences big changes in air pressure and temperature throughout the year.