Barometric Pressure Forecast for Oneonta, New York
Barometric pressure forecast for Oneonta, New York — in the Susquehanna River valley of Otsego County, on the northwestern shoulder of the Catskills. See current barometric pressure and what it means for weather-sensitive people.
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Pressure and weather in Oneonta
Oneonta sits at about 1,100 feet on the floor of the upper Susquehanna valley, with hills rising past 1,900 feet on both sides, which is how it came to be called the City of the Hills. It lies on the northwestern edge of the Catskill region, far enough inland that the Atlantic moderating influence is weak and far enough west that Great Lakes moisture reaches it as well. The valley runs roughly northeast to southwest and channels wind along that axis, so readings taken on the hillside campus and readings taken downtown along Main Street can behave slightly differently within the same storm. Winter is the busiest season for the barometer. Coastal lows tracking up the seaboard throw precipitation inland across the Catskills, and Oneonta sits close enough to the rain-snow boundary that a single system can deliver two feet of snow or an inch of cold rain depending on a track shift of fifty miles, with falls of twenty to thirty hPa across thirty-six hours routine in those events. Spring and autumn bring Great Lakes lows crossing from the west, shallower but faster moving. On clear calm nights the valley floor pools cold air and fills with fog that lifts late, holding a ten-degree spread between the floor and the ridge tops within a couple of miles.
What this means for you
The rain-snow line passes through this valley more often than through almost anywhere else in the state, and the storms that put it there are the deepest pressure falls of the year. A barometric pressure forecast checked the evening before gives usable warning.