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Posted at 05:00 AM ET, 10/17/2012

D.C. area forecast: Very nice through the weekend, except for brief interruption

EXPRESS FORECAST

Today: Partly to mostly sunny. Upper 60s to near 70. | Tonight: Mostly clear. Mid-40s to low 50s. | Tomorrow: Increasing clouds. Shower late? Upper 60s to low 70s. | A Look Ahead | Get Express Forecast by E-mail

TODAY'S DAILY DIGIT

A somewhat subjective rating of the day’s weather, on a scale of 0 to 10


Like yesterday, but less wind and a few degrees warmer. October doesn't get much better than this! Get the Digit on Twitter | Discuss on Facebook

FORECAST IN DETAIL


Two key reasons why October often brings super-nice weather are: 1) Average high temperatures are in the sweet spot - ranging from the low 70s early in the month to the low 60s at the end; and 2) Weather systems tend to scoot on by relatively fast. We’ll see both factors at play over the next several days, with fine weather today into tomorrow, interrupted by a brief period of possible showers late tomorrow into early Friday, and then clearing out nicely for the weekend.

Today (Wednesday): High pressure delivers a textbook gorgeous mid-October day. Partly to mostly sunny skies lift temperatures from morning lows mainly in the 40s to near 50, to afternoon highs in the upper 60s to near 70. Winds are light with no humidity to speak of. Confidence: High

Tonight: A quiet evening and night are on tap as sunset times get earlier and earlier across the area - ranging from 6:25 p.m. at BWI, to 6:27 p.m. at National and 6:28 p.m. at Dulles. Overnight lows dip to the mid-40s to low 50s with mostly clear skies above. Confidence: High

For related traffic news, check out Dr. Gridlock. Keep reading for the forecast through the weekend...

Tomorrow (Thursday): Tomorrow may start with some sun. But skies eventually turn mostly cloudy with the approach of a cold front from the west, and can’t rule out a shower arriving by late afternoon. Highs are similar to today, in the upper 60s to low 70s. Confidence: Medium-High

Tomorrow night: Models are speeding up the cold front, so now it looks like Thursday night, rather than Friday, is our best chance of showers (60%) and maybe a thunderstorm. Lows settle in the 50s under mostly cloudy skies. Confidence: Medium

A LOOK AHEAD

Showers may linger into Friday morning (30-40% chance), then skies should turn partly to mostly sunny later in the morning or during the afternoon. Highs near 70 to the low 70s make for a fine finish to the work week. Friday night features partly cloudy skies and lows in the upper 40s to low 50s. Confidence: Low-Medium

All signs point to a spectacular October weekend. I’m talkin’ plenty of sun and pleasant highs - in the mid-to-upper 60s on Saturday, and upper 60s to near 70 on Sunday. Look for Saturday night lows mainly in the 40s (suburbs) to near 50 (downtown). Confidence: Medium

By  |  05:00 AM ET, 10/17/2012

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