Barometric Pressure in Groton, United States 
1011.3 hPa
24.3 ℃
76%
4.05 m/s
Get Alerts 🚨. Sign up to receive alerts when the barometric pressure changes significantly.
The average pressure in Groton, Connecticut, United States today is , which is considered normal. Pressure is trending falling.
Weather prediction: Rain at frequent intervals
Rapid Pressure Changes
Rapid pressure changes detected in Groton, often a sign of approaching weather shifts. See the forecast chart or get pressure alerts.
- Rapid Fall : ()
- Rapid Fall : ()
- Rapid Rise : ()
The daily total fluctuation in pressure in Groton is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Groton hour by hour across the next 6 hourly readings.
The current barometric pressure in Groton, Connecticut is 30.12 inches of mercury. This reading indicates fair weather with a slight chance of scattered clouds.
Groton is situated near the Atlantic Ocean and Long Island Sound. The ocean has a moderating effect on the climate. The city's coastal location helps regulate temperature and humidity.
The surrounding landscape is a mix of coastal lowlands and gently rolling hills. These hills do not block or redirect air masses significantly. They have a minimal impact on local atmospheric pressure.
In the winter, cold air from Canada can push into the region. This brings lower barometric pressure and precipitation. In the summer, warm air from the ocean dominates, leading to higher pressure and fair weather.