Barometric Pressure in Baltimore, United States 
1027.8 hPa
17.9 ℃
39%
4.46 m/s
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The average pressure in Baltimore, Maryland, United States today is , which is higher than normal. Pressure is trending falling.
Weather prediction: Occasional rain, worsening
Rapid Pressure Changes
Rapid pressure changes detected in Baltimore, often a sign of approaching weather shifts. See the forecast chart or get pressure alerts.
- Rapid Fall : ()
The daily total fluctuation in pressure in Baltimore is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Baltimore hour by hour across the next 6 hourly readings.
The barometric pressure in Baltimore varies throughout the year. It often rises and falls in response to weather systems moving into the region. Changes in pressure can signal changes in the weather.
Baltimore is surrounded by water to the east and south, with the Chesapeake Bay and Patapsco River. To the north and west, the city is bordered by rolling hills and mountains. This unique landscape affects the atmospheric pressure. The nearby waters help moderate the pressure, keeping it relatively stable. The surrounding hills and mountains can disrupt airflow, leading to changes in pressure.
The pressure changes can bring different types of weather to Baltimore. When pressure is high, the weather is often fair and calm. Low pressure, on the other hand, can bring clouds, precipitation, and storms.