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Partly to mostly cloudy
Mild with cloudy spells
Breezy with variable clouds
Cloudy and warm; p.m. showers
Rain and drizzle possible
Warm air will surge into Washington, D.C., this weekend. more >
Dec 16, 2013; 5:00 AM ET
Symptoms caused by the common cold can often resemble those associated with the influenza virus. So how do you differentiate between the two?