Barometric Pressure in Larchmont, United States 
1030.1 hPa
14.4 ℃
60%
1.57 m/s
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The average pressure in Larchmont, New York, United States today is , which is higher than normal. Pressure is trending falling.
Weather prediction: Rain at times, worse later
Rapid Pressure Changes
Rapid pressure changes detected in Larchmont, 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 Larchmont is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Larchmont hour by hour across the next 6 hourly readings.
Weather patterns in Larchmont bring changes in air pressure, affecting the atmosphere. High pressure systems bring clear skies, while low pressure brings rain or storms.
Larchmont's low elevation near the coast means air pressure is influenced by the ocean. The surrounding hills and valleys also impact atmospheric pressure and its changes.
In winter, high pressure systems are more common, bringing cold air. In summer, low pressure systems bring warmth and humidity. Spring and fall bring mixtures of both.
Larchmont has a humid subtropical climate, with mild winters and hot, humid summers. This climate type leads to frequent changes in air pressure, making the weather unpredictable and variable.