Barometric Pressure in Bar Harbor, United States 
1019.6 hPa
11.3 ℃
80%
2.62 m/s
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The average pressure in Bar Harbor, Maine, United States today is , which is higher than normal. Pressure is trending rising.
Weather prediction: Fairly fine, possible showers early
Rapid Pressure Changes
Rapid pressure changes detected in Bar Harbor, often a sign of approaching weather shifts. See the forecast chart or get pressure alerts.
- Rapid Fall : ()
- Rapid Rise : ()
The daily total fluctuation in pressure in Bar Harbor is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Bar Harbor hour by hour across the next 6 hourly readings.
Bar Harbor has changeable coastal weather. Low-pressure systems often bring clouds, rain or snow, and stronger winds, while high pressure usually brings calmer, clearer days. Storms can move in quickly, especially in colder months, so conditions may shift within a day.
Mount Desert Island sits beside the Gulf of Maine, and Frenchman Bay shapes nearby winds and temperatures. Ocean water warms and cools more slowly than land, keeping summer days cooler and winter days less cold near shore. Sea breezes and moist air can also bring fog.
Summer is usually mild, with occasional warm spells. Autumn turns crisp and can bring strong coastal storms. Winters are cold, with snow, freezing rain, and windy nor’easters. Spring arrives slowly, often staying cool and damp before warmer weather settles in.