Barometric Pressure in Rochester, United States 
1031.2 hPa
12.1 ℃
74%
1.3 m/s
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The average pressure in Rochester, Michigan, United States today is , which is higher than normal. Pressure is trending steady.
Weather prediction: Showery early, improving
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.
The barometric pressure in Rochester, Michigan varies throughout the year. It changes with the weather systems that move into the area. Pressure drops when low-pressure systems approach. It rises when high-pressure systems dominate. These changes affect the weather patterns and influence the conditions.
Rochester is situated in a valley surrounded by hills. The hills block or redirect air masses moving into the area. This creates unique weather patterns. Lake Ontario's proximity also influences the local climate. Moist air from the lake contributes to precipitation and cloud cover. The surrounding landscape shapes the atmospheric pressure and weather in Rochester.