Barometric Pressure
Barometric Pressure in Chevy Chase, United States 
1010.9 hPa
2.4 ℃
69%
3.27 m/s
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The average pressure in Chevy Chase, Maryland, United States today is , which is considered normal. Pressure is trending rising.
Weather prediction: Fine, possible showers
Rapid Pressure Changes
Rapid pressure changes detected in Chevy Chase, often a sign of approaching weather shifts. See the forecast chart or get pressure alerts.
- Rapid Rise : ()
The daily total fluctuation in pressure in Chevy Chase is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Chevy Chase hour by hour across the next 6 hourly readings.
Chevy Chase has changing air pressure due to its location near the Atlantic Ocean and the Appalachian Mountains. The ocean brings warm, moist air, increasing pressure, while the mountains block cold air, decreasing pressure. In winter, cold air dominates, making pressure lower. In summer, warm air wins, making pressure higher. Chevy Chase has a humid subtropical climate, with hot summers and cold winters, which affects the air pressure.