Barometric Pressure in Alstead, United States 
0000 hPa
00.0 ℃
00.0 m/s
00.0%
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The pressure in Alstead, New Hampshire, United States is predicted to rapidly rise over the next few hours, with an average pressure of 1009.4 hPa today, which is considered normal.
Weather prediction: Expect shortly fair weather and gale or storm winds
The daily total fluctuation in pressure in Alstead is 11.8 hPa, with a low of 1001.9 hPa and a high of 1013.7 hPa.
Forecast
Hourly Pressure Trends
Track the barometric pressure in Alstead hour by hour and stay informed about how it will change over the next 6 hours.
Alstead's weather has varying air pressure due to its location near the coast and mountains. The Atlantic Ocean's warmth and moisture influence air pressure, making it higher in summer and lower in winter.
The White Mountains to the north and the Connecticut River Valley to the west block or redirect winds, causing air pressure changes. This leads to sudden weather shifts and storms.
In winter, cold air from Canada brings low pressure, resulting in snow and cold temperatures. In summer, warm air from the Atlantic Ocean brings high pressure, resulting in warm and humid weather.
Alstead has a humid continental climate, with significant seasonal pressure changes. This climate type causes large temperature differences between winter and summer, affecting air pressure and weather patterns.