Barometric Pressure in South Yarmouth, United States 
1019.4 hPa
16.4 ℃
95%
1.1 m/s
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The average pressure in South Yarmouth, Massachusetts, United States today is , which is considered normal. Pressure is trending rising.
Weather prediction: Fairly fine, possible showers early
The daily total fluctuation in pressure in South Yarmouth is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in South Yarmouth hour by hour across the next 6 hourly readings.
The weather in South Yarmouth can cause big changes in barometric pressure, which can be high, low, or steady. These changes can make the weather sunny, rainy, or stormy.
South Yarmouth is close to sea level and near the ocean, which can make atmospheric pressure change quickly. The town's flat landscape also helps pressure systems move through quickly.
In winter, pressure is usually low, bringing cold air and storms. In summer, pressure is usually high, bringing warm air and clear skies. Spring and fall bring changing pressure and mixed weather.
South Yarmouth has a humid continental climate, which means big pressure changes can bring big weather changes, making the weather exciting but sometimes unpredictable.