Barometric Pressure in Rochester, United States 
1028.3 hPa
9.8 ℃
76%
2.21 m/s
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The average pressure in Rochester, New Hampshire, United States today is , which is higher than normal. Pressure is trending falling.
Weather prediction: Rain at times, worse later
Rapid Pressure Changes
Rapid pressure changes detected in Rochester, often a sign of approaching weather shifts. See the forecast chart or get pressure alerts.
- Rapid Fall : ()
The daily total fluctuation in pressure in Rochester is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Rochester hour by hour across the next 6 hourly readings.
Rochester's air pressure changes with the weather. When high pressure comes, it's usually sunny and calm. Low pressure brings clouds, wind, and precipitation.
Rochester is near the White Mountains and has lakes and forests. This geography makes air pressure change. Mountains can block or push air masses.
In winter, high pressure brings cold air. Low pressure brings snow. In summer, low pressure can bring thunderstorms.
Rochester has a humid continental climate. This means big air pressure changes happen. Cold winters and warm summers bring different pressure systems.