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Posted at 05:00 AM ET, 09/17/2011

Forecast: Cool temperatures and plenty of clouds through the weekend

11:00 a.m. update: Some light showers have moved through (mainly western and northwestern) portions of the area the last few hours. This has mainly been a nuisance ground-wetting rain and the heaviest is lifting north of the area over the next hour or so. Additional isolated, and very light, showers are possible behind it. This activity should help keep temperatures at the lower end of the range forecast earlier.

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

 
Clouds are the main issue. They could be numerous, but I'll hope for sun. Maybe a 6? Weekend padding!
 
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EXPRESS FORECAST

Today: Mostly cloudy. Mid-60s to near 70. | Tonight: Mostly cloudy. Drizzle? Near 50 to mid-50s. | Tomorrow: Mostly cloudy early, some clearing possible late. Mid-60s to near 70. | Get Express Forecast by E-mail

FORECAST IN DETAIL

When the cool air first rushed in on Thursday, with all the windy rain showers, I was starting to dread the coming cold season. But, then the sun set and a peaceful Friday came along. Ok... not so bad! Unfortunately, we’ll still have some clouds around today and tomorrow, and perhaps even a shower or two here and there before this forecast period ends. Still, overall, it's fairly low-complaint weather.

Today (Saturday): We’re primarily to the north of a small system riding along the cold front to our south. On the optimistic side we could end up breaking to partly cloudy and see a mainly delightful day. I’m not quite convinced of that though, and think we’ll deal with at least periods of significant cloudiness, especially midday and on. But, still, it’s mostly a winner if you like pleasant temperatures with highs reaching the mid-60s to near 70. We should stay dry, but especially places south and east of D.C. could see a passing shower. Confidence: Medium

Tonight: The weak system moves out to sea, but not far enough to rid ourselves of clouds, partially because it re-enforces a northeast wind off the ocean. Winds stay up, and may increase toward morning, keeping temperatures from dropping as much as they could. Lows probably reach near 50 in the suburbs to the mid-50s downtown. Those winds may help keeping any fog or drizzle from forming, but something to at least consider a possibility overnight. Confidence: Medium-High

Keep reading for the forecast through the beginning of next week...

Tomorrow (Sunday): This should be the winner of the weekend, but it may still be rather cloudy. It’s tough to kick the low-level marine air with a northeast wind continuing, so we probably end up with highs again in the mid-60s to near 70 — perhaps a touch warmer than Saturday overall. It’s possible things break a bit as the day wears on and the system moves a bit further away. Confidence: Medium

Tomorrow night: Expect mostly cloudy skies and temperatures again falling to near 50 in the suburbs and the mid-50s downtown. Yep, some of those cooler spots are perhaps headed to the upper 40s again. There could also be some late-night drizzle depending on if/when the winds switch to a more southerly direction. Confidence: Low-Medium

A LOOK AHEAD

Monday could be spectacular, assuming we kick the marine air mass a bit as a front approaches. More sunshine, interrupted by a few clouds here and there, plus temperatures near 70 toward the mid-70s? I might have to accidentally wander out of work for a few hours. Partly cloudy skies may turn cloudier late, as a weak cold front approaches from the west. A few showers may also fall, probably not ‘til overnight though. Confidence: Low-Medium

Tuesday appears to be cloudier again as the cold front passes through the area. But some warmer winds ahead of it may help boost temperatures into the mid-70s to near 80 range if it comes through late enough. There’s also going to be a risk of showers and thunderstorms as it moves through, but timing is unknown at this point. The air behind this next front is not nearly what the recent one brought, and in fact there might not be much noticeable change after Tuesday. Confidence: Low-Medium

By  |  05:00 AM ET, 09/17/2011

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