DC/Baltimore: Mild Air to Hang on Until New Weekend

By Kristina Pydynowski, Senior Meteorologist

December 13,2015; 9:09PM,EST

 

While the passage of rain early in the week will trim the record warmth away from Washington, D.C., and Baltimore, mild air will hang on until the new weekend.
Monday will bring another day of temperatures flirting with record highs in the mid-Atlantic. After Sunday's record warmth, temperatures will once again approach records on Monday.
Monday's record high in Washington, D.C., is 70 F from 1931, while the record in Baltimore is 71 F from 1929.

Soaking Rain to Impact Travel; Much of it Monday

A high in the middle to upper 40s is more common this time of year.
Monday, however, will not be as pleasant for those hoping to spend the unusual warmth outdoors as Sunday was. A damp morning will give way to a steadier rain developing in a west-to-east fashion in the afternoon. A rare rumble of thunder can even be heard.
Slower travel and reduced visibility can be expected but not widespread flash flooding.

In the wake of the rain, heavy jackets will not have to replace umbrellas on Tuesday. High temperatures will only trend slightly downward Tuesday into Wednesday. In fact, temperatures will soar 15-20 degrees above normal on Tuesday.
The mild air will hang on through Thursday as a storm system brings rain and slower travel.
The colder air gradually filtering in behind this system will finally return more typical December weather to the mid-Atlantic during the new weekend.
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Temperatures these days will rival the November cold shots for the lowest temperature readings so far this season. A brisk wind will lead to even lower AccuWeather RealFeel® temperatures.
"Even though it will feel much colder than the balmy temperatures of late, afternoon high temperatures will still be near average at the height of the chill this weekend," stated AccuWeather Meteorologist Brian Thompson.
"From New York City to Washington, D.C., every day so far this month has been above average temperature-wise."

The cold will not necessarily translate to the return of snow for the I-95 corridor. Snow will likely struggle to fall east of the Appalachian Mountains in the southern mid-Atlantic.
As quick as the cold arrives, it will give way to another surge of warmth for Christmas week.
"Much like November, this month has the potential to be one of the warmest Decembers on record in the area," stated AccuWeather Senior Meteorologist Alex Sosnowski. "Through Dec. 12, temperatures were averaging at least 6 degrees above normal."
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