Barometric Pressure in Lewes, United States 
1017.5 hPa
11.6 ℃
86%
10.07 m/s
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The average pressure in Lewes, Delaware, 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 Lewes, often a sign of approaching weather shifts. See the forecast chart or get pressure alerts.
- Rapid Fall : ()
The daily total fluctuation in pressure in Lewes is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Lewes hour by hour across the next 6 hourly readings.
The weather in Lewes, Delaware, changes frequently because of its location near the Atlantic Ocean. Changes in air pressure are caused by the movement of high and low-pressure systems. These systems bring different types of weather to the area.
Lewes is low-lying and near the ocean, which means it gets winds from the water. This causes air pressure to rise and fall more often. The nearby Delaware Bay also contributes to air pressure changes.
In winter, high pressure systems are more common, leading to clear skies. In summer, low-pressure systems bring humidity and storms. Spring and fall have a mix of both, with changing air pressure patterns.
Lewes has a humid subtropical climate, which means it experiences hot summers and cold winters. This climate type leads to big changes in air pressure, making the weather hard to predict and sometimes uncomfortable.