Barometric Pressure in Merrimack, United States 
0000 hPa
00.0 ℃
00.0 m/s
00.0%
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The pressure in Merrimack, New Hampshire, United States is predicted to rapidly rise over the next few hours, with an average pressure of 1021.7 hPa today, which is considered normal.
Weather prediction: Expect shortly fair weather and gale or storm winds
The daily total fluctuation in pressure in Merrimack is 12.2 hPa, with a low of 1013 hPa and a high of 1025.2 hPa.
Forecast
Hourly Pressure Trends
Track the barometric pressure in Merrimack hour by hour and stay informed about how it will change over the next 6 hours.
Weather patterns in Merrimack cause barometric pressure to rise and fall, changing the air pressure around us. This shift affects the weather we experience every day.
Merrimack's 200-foot elevation and hilly landscape influence atmospheric pressure, making it vary more than at sea level or in flat areas. Local topography affects air movement and pressure.
In winter, pressure is usually high, bringing cold and clear weather. In summer, pressure is often low, leading to warm and humid conditions. Spring and fall bring variable pressure, with mild and changing weather.
Merrimack has a humid continental climate, with cold winters and warm summers. This leads to large pressure fluctuations, making the weather feel more dynamic and changeable.