Barometric Pressure in Kapaa, United States 
1022.2 hPa
22.9 ℃
87%
5.56 m/s
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The average pressure in Kapaa, Hawaii, United States today is , which is considered normal. Pressure is trending steady.
Weather prediction: Changeable, mending
The daily total fluctuation in pressure in Kapaa is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Kapaa hour by hour across the next 6 hourly readings.
Kapaa's weather is influenced by trade winds, which bring cool air from the northeast, lowering air pressure and making skies cloudy and rainy.
The island's mountainous terrain creates a rain shadow effect, blocking winds and causing air pressure to rise on the leeward side, making it drier and sunnier.
During summer, high pressure systems dominate, bringing dry and sunny weather, while in winter, low-pressure systems bring rain and cloudy skies.
Kapaa's tropical savanna climate means air pressure is generally high, but with frequent changes due to wind patterns and geography, making the weather interesting and unpredictable.