Barometric Pressure Forecast for Hyattsville, Maryland
Barometric pressure forecast for Hyattsville, Maryland — in Prince George's County on the Anacostia River, just inside the Beltway north-east of Washington. See current barometric pressure and what it means for weather-sensitive people.
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Pressure and weather in Hyattsville
Hyattsville sits in the Anacostia valley right at the fall line, the boundary where the hard rock of the Piedmont gives way to the sandy coastal plain, and close enough to Washington to share its urban heat island. Summers are long, humid and thundery, with storms crossing from the west in the late afternoon after building over the Blue Ridge, and the urban area can strengthen them as they arrive. The Anacostia floods quickly, so those storms matter locally out of proportion to their size. Winter is the uncertain season and the one that produces the biggest pressure swings, from January into early March, when coastal lows track up the seaboard and the Washington area sits almost exactly on the line between snow and cold rain. A shift of fifty miles in the storm track changes everything. Late summer and early autumn bring tropical remnants moving up from the south, which arrive as slow, prolonged declines rather than abrupt drops.
What this means for you
Storm tracks that shift by fifty miles change the outcome here entirely, so forecasts revise late. Checking the current barometric pressure through the day is more reliable than yesterday's outlook.