Barometric Pressure in Alton, United States 
0000 hPa
00.0 ℃
00.0 m/s
00.0%
Get Alerts 🚨. Sign up to receive alerts when the barometric pressure changes significantly.
The pressure in Alton, New Hampshire, United States is predicted to drop over the next few hours, with an average pressure of 974.3 hPa today, which is lower than normal.
Weather prediction: Expect wet, unsettled weather and a strong breeze
The daily total fluctuation in pressure in Alton is 14 hPa, with a low of 967.3 hPa and a high of 981.3 hPa.
Forecast
Hourly Pressure Trends
Track the barometric pressure in Alton hour by hour and stay informed about how it will change over the next 6 hours.
Barometric pressure in Alton, New Hampshire averages around 30.12 inches. This is slightly above the national average. Pressure is usually highest in winter.
Alton is located in a valley surrounded by mountains. The White Mountains are to the north. The Lakes Region is to the south. Mountains surround the city on all sides except east.