Barometric Pressure in Ellicott City, United States 
1018.9 hPa
18.9 ℃
76%
3.44 m/s
Get Alerts 🚨. Sign up to receive alerts when the barometric pressure changes significantly.
The average pressure in Ellicott City, Maryland, United States today is , which is considered normal. Pressure is trending rising.
Weather prediction: Fairly fine, possible showers early
Rapid Pressure Changes
Rapid pressure changes detected in Ellicott City, often a sign of approaching weather shifts. See the forecast chart or get pressure alerts.
- Rapid Fall : ()
- Rapid Rise : ()
- Rapid Rise : ()
The daily total fluctuation in pressure in Ellicott City is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Ellicott City hour by hour across the next 6 hourly readings.
The barometric pressure in Ellicott City varies throughout the year. It changes with the weather patterns and seasons. Low pressure systems bring rain and storms. High pressure systems bring fair weather.
Ellicott City is surrounded by hills and mountains. The Patapsco River Valley lies to the south. This landscape affects the atmospheric pressure. The hills and mountains disrupt air flow. They create channels for air to move through.
The surrounding terrain influences the weather patterns. Air flows through the valleys and rises over the hills. This creates weather systems that impact the city. The unique landscape contributes to the varying barometric pressure.