Barometric Pressure in Ithaca, United States 
1026.3 hPa
9 ℃
64%
1.43 m/s
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The average pressure in Ithaca, New York, United States today is , which is higher than normal. Pressure is trending rising.
Weather prediction: Fairly fine, showery later
Rapid Pressure Changes
Rapid pressure changes detected in Ithaca, often a sign of approaching weather shifts. See the forecast chart or get pressure alerts.
- Rapid Fall : ()
The daily total fluctuation in pressure in Ithaca is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Ithaca hour by hour across the next 6 hourly readings.
Ithaca's weather has big pressure swings due to its location near Lake Ontario and the Appalachian Mountains. Cold air from Canada clashes with warm air from the Gulf of Mexico.
Mountains to the east block some warm air, making Ithaca cooler than other cities at the same latitude. This mountain effect contributes to lower air pressure.
In winter, cold air dominates, bringing low pressure and snow. Spring and fall have gentle pressure changes, with mixtures of warm and cold air. Summer brings warmer air and higher pressure.
Ithaca has a humid continental climate, which means big temperature swings between winter and summer. This climate type brings frequent pressure changes, making the weather quite unpredictable.