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The week ahead: Gradual progression to winter continues

Jason Samenow @ 12:32 AM

While temperatures will oscillate up and down this week, the overall trend will be towards colder conditions. The week ahead details follow...

Today


Forecast Confidence: Medium-HighOvercast, cool. The coastal low responsible for yesterday's rain and wind, will drift northeastward. Low clouds should remain overhead with some rain showers continuing east and northeast of DC. During the afternoon, a few breaks in the clouds are possible, especially west of DC. High temperatures will be in the mid to upper 50s. Overnight, expect gradual clearing with lows 42-46 (suburbs-city).

The Upcoming Week at a Glance

Coolest Day: Sunday (High of 49)
Warmest Day: Tuesday (High of 67)
Dry Days: Tuesday, Wednesday and Friday through Sunday.
Precipitation Chances: Monday (20%-40%, west-east), Thursday (80%).
The Week's Wild Cards: Will the clouds break-up today? How much rain will fall Thursday? How chilly will it be Sunday?
Climatological Average High/Low: 58-56/41-39

Pictured: Looking across the Potomac at Saturday's beautiful sunrise. By CapitalWeather.com photographer Kevin Ambrose.

Tuesday


Forecast Confidence: Medium-HighPartly sunny, mild. Weak high pressure will begin building northward. High temperatures should reach the mid to upper 60s. Overnight lows should range from 40-45 under mostly clear skies.

Wednesday


Forecast Confidence: Medium-HighMild, increasing PM high clouds. After mostly sunny skies in the morning, some high clouds will increase in the afternoon ahead of a low developing in the Tennessee Valley. High temperatures will be mild, with highs in the mid to upper 60s. Overnight, as the low moves northeastward into the Ohio Valley, occasional rain showers are likely to develop with lows near 50.

Thursday


Forecast Confidence: MediumRain showers, especially early. As the low pressure system over the Ohio Valley drags a cold front through the region as it continues northward -- a few showers are possible in the morning before tapering off. High should be in the mid 50s

Friday


Forecast Confidence: Medium-HighPartly sunny, seasonable. Weak high pressure is likely to build northeastward, allowing for some sunshine and temperatures in the mid to upper 50s. Overnight, expect mostly clear skies with lows 32-40 (suburbs to city).

Saturday


Forecast Confidence: Medium-HighMostly sunny, crisp. High pressure should be centered over the area allowing for plenty of sunshine, and temperatures once again in the mid to upper 50s. Overnight, some clouds may increase as a front approaches from the west. Look for lows of 35-40.

Sunday


Forecast Confidence: MediumMorning clouds, turning cooler. A cold front is likely to pass through the region during the morning -- although the time of its passage could well change. As of now, it looks like some rather chilly air will move in with highs struggling to reach 50.

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