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Posted at 04:45 PM ET, 12/09/2011

PM Update: Season’s coldest air arrives for weekend, but sunny

Friday closed off the work week in style with mostly sunny skies and highs near 50. A moisture depleted cold front moves through tonight, setting up a cold, but not frigid, early December weekend. Both Saturday and Sunday feature high temps about 5 degrees below average, no better than about 45 degrees. Abundant sunshine will take an edge off the chill.

Through Tonight: As the weak cold front cruises by, we’ll have some high clouds and a bit of breeze (at around 5-10 mph from the northwest). As the high clouds insulate and the wind mixes up the air, temperatures fall only gradually. Lows range from near 30 in the colder suburbs to the mid-30s downtown.

The weekend: Cold high pressure takes control both Saturday and Sunday. The days are mostly sunny and cold with highs in the low-to-mid 40s and a light breeze from the north (around 10 mph Saturday, and 5 mph Sunday). Under clear skies, Saturday night is the coldest of the season, with lows from near 20 in the colder suburbs to the upper 20s downtown. Yes - Reagan National Airport will finally record a freeze Sunday morning.

See Camden Walker’s forecast through early next week. And if you haven’t already, join us on Facebook and follow us on Twitter. For related traffic news, check out Dr. Gridlock.

By  |  04:45 PM ET, 12/09/2011

Categories:  Forecasts

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