Barometric Pressure in Devon, United States 
1018 hPa
12.1 ℃
65%
1.94 m/s
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The average pressure in Devon, Pennsylvania, United States today is , which is considered normal. Pressure is trending falling.
Weather prediction: Rain at times, very unsettled
Rapid Pressure Changes
Rapid pressure changes detected in Devon, often a sign of approaching weather shifts. See the forecast chart or get pressure alerts.
- Rapid Fall : ()
The daily total fluctuation in pressure in Devon is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Devon hour by hour across the next 6 hourly readings.
Devon has a humid, four-season climate. Rain falls throughout the year, with somewhat wetter conditions in late spring and summer. Summers are often warm, humid, and cloudy at times. Winters are usually cold, with a mix of rain, snow, and ice. Snowfall can change a lot from year to year.
Air pressure affects Devon’s weather. Low pressure systems often bring clouds, rain, or snow as they move across the region. High pressure usually brings calmer and drier weather. In summer, strong low pressure systems can cause thunderstorms, heavy rain, and gusty winds.
Devon lies in southeastern Pennsylvania on rolling land near the Piedmont region. It is far enough inland to have colder winters and warmer summers than places along the coast. The Atlantic Ocean still adds moisture to storms. Nearby hills can slightly change wind, rainfall, and snowfall from one area to another.
Spring brings rising temperatures, rain, and quick changes between warm and cool days. Summer is the hottest season and often has thunderstorms. Fall becomes cooler and drier, with changing leaves. Winter has cold air, freezing rain, and occasional snowstorms. Overall, Devon’s climate is moist and changeable, with clear differences between the seasons.