Baltimore, MD Weather
Today's Forecast
Scattered showers and thunderstorms before 11pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Southeast wind 1 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
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Data from the National Weather Service
Last updated Sat, Aug 22, 8:53 PM UTC
Winter in Baltimore
Baltimore averages 19 inches of snow a year, according to NOAA’s 1991–2020 climate normals — a moderate snow place. A handful of accumulating storms a year. Districts close for the larger ones.
That is why local snowfall thresholds differ so much from one town to the next: a district that plans for 19 inches a year is equipped differently from one that never sees any. Here, roughly 4 inches in a single storm is where a normal school day comes under threat.
Upper air over Baltimore
The nearest radiosonde launch is Sterling, about 51 miles away. A weather balloon goes up twice a day and measures temperature, humidity and wind all the way through the atmosphere — which is what forecasters actually read to judge whether storms will fire, and how a surface forecast was arrived at.