Barometric Pressure in Dauphin Island, United States 
1015.2 hPa
14.9 ℃
63%
5.62 m/s
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The average pressure in Dauphin Island, Alabama, United States today is , which is considered normal. Pressure is trending steady.
Weather prediction: Fairly fine, showers likely
Rapid Pressure Changes
Rapid pressure changes detected in Dauphin Island, often a sign of approaching weather shifts. See the forecast chart or get pressure alerts.
- Rapid Rise : ()
The daily total fluctuation in pressure in Dauphin Island is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Dauphin Island hour by hour across the next 6 hourly readings.
Dauphin Island has changing air pressure due to its location near the Gulf of Mexico. Low-pressure systems form over the ocean, bringing storms.
The island's geography, with the Gulf to the south and Mobile Bay to the east, affects air pressure. Moist air rises, cools, and condenses, creating low pressure.
In summer, high pressure dominates, bringing hot and humid weather. In winter, low-pressure systems move in, bringing cooler temperatures and rain.
Dauphin Island has a humid subtropical climate. This climate type means air pressure changes with the seasons, bringing varied weather patterns.