Barometric Pressure in Hyannis, United States 
1008.3 hPa
16 ℃
95%
7.7 m/s
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The average pressure in Hyannis, Massachusetts, United States today is , which is lower than normal. Pressure is trending steady.
Weather prediction: Fairly fine, showers likely
Rapid Pressure Changes
Rapid pressure changes detected in Hyannis, often a sign of approaching weather shifts. See the forecast chart or get pressure alerts.
- Rapid Rise : ()
- Rapid Fall : ()
The daily total fluctuation in pressure in Hyannis is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Hyannis hour by hour across the next 6 hourly readings.
The barometric pressure in Hyannis, Massachusetts is influenced by its coastal location. It fluctuates frequently due to the proximity to the Atlantic Ocean. Changes in pressure bring different weather conditions, including storms and fair weather.
Hyannis is situated on the southern coast of Cape Cod, surrounded by water on three sides. This unique geography affects the local weather patterns. The nearby ocean has a moderating effect on the climate, keeping temperatures relatively mild.
The landscape around Hyannis is generally flat, with some low-lying hills and coastal plains. This flat terrain allows winds to move freely, making the area prone to stormy weather. The ocean breeze also brings moisture, resulting in occasional fog and cloudy skies.