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Posted at 5:00 AM ET, 09/20/2010

Forecast: Sensational start to week, then sticky

By Jason Samenow

A few rain opportunities mid-to-late week

* Outside now?: Weather Wall | Hurricane Tracking | NatCast *

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


'Skins fans know why I'm shaving off three points. This had the makings of a perfect day.
Get the 'Digit' on Twitter


Today: Partly to mostly sunny. Upper 70s. | Tonight: Clear and cool. 47-56. | Tomorrow: Mostly sunny and very pleasant. 79-83. | A Look Ahead | Get Express Forecast by E-mail


The regularity of pleasantly warm and dry days is nice, but our lawns are paying a price. Rainfall is less than a third of what it should be for the month. We get more dry (and nice) days to start off the week, but the arrival of a very warm and humid air mass midweek provides some scattered shower chances. The best chance of rain this week probably comes this weekend when a strong cold front moves into the area.

Today (Monday): Pleasantly dry air streams into the region today behind a cold front the passed through the region overnight. Scattered clouds in the morning mostly dissipate in the afternoon, with highs reaching the upper 70s. A cool breeze from the north blows at around 10 mph. Confidence: Medium-High

Tonight: This might be the coolest evening of September so far. Under clear skies, lows dip into the mid-to-upper 40s in the cooler suburbs to the mid-50s downtown. Confidence: High

Keep reading for the forecast through next weekend...

Tomorrow (Tuesday): Here's another picture perfect (a phrase I've been using a lot lately) day for you. Our delightfully dry air warms into the low 80s or so under sunny skies. Winds are light. Confidence: High

Tomorrow Night: Flow arriving from the south increases humidity levels overnight and puts a break on the descending temperatures. Lows vary from the the upper 50s in the cooler suburbs to the mid-60s downtown. Confidence: Medium-High


Wednesday's the first day of fall, but feels more like mid-summer. With winds from the south, highs head up towards 90 and humidity is moderate to high. A disturbance passing by to the north could (30% chance) trigger a few showers and thunderstorms in the late afternoon and evening. Muggy overnight, with lows from the low 60s in the cooler suburbs to the upper 60s downtown. Confidence: Medium-High

The summerlike pattern extends into Thursday and Friday. Both days feature partly sunny skies and highs in the upper 80s (Thursday) and low 90s (Friday). There's an outside (20-30%) chance of a shower or thunderstorm late in the day Thursday. Overnight lows are in the 60s. Confidence: Medium-High

Saturday may present one more day of very warm and humid conditions with highs well into the 80s to perhaps 90 or so. However, an approaching cold front probably increases cloud cover and triggers showers and storms, particularly in the afternoon. As the front arrives, it slows down, so showers and storms may continue into Saturday night, with lows in the 60s. Confidence: Medium

The cold front lingers in our vicinity or just to our south on Sunday. This keeps the clouds around and temps are likely much cooler. Highs are probably in the 70s. There's a possibility that low pressure forms along the front, keeping a chance of rain in the forecast. Confidence: Low

By Jason Samenow  | September 20, 2010; 5:00 AM ET
Categories:  Forecasts  
Save & Share:  Send E-mail   Facebook   Twitter   Digg   Yahoo Buzz   StumbleUpon   Technorati   Google Buzz   Previous: NatCast: Clear and almost crisp
Next: Warm nights fuel summer heat records


Looks like we'll tie the record for 90 degree days this year. At least, since we've still got October to get through.

Why do I get the feeling that, once it cools off, it'll get really cold really fast?

Posted by: wiredog | September 20, 2010 7:40 AM | Report abuse

The rating is supposed to be about the weather, not about sports. You shouldn't deduct points because your favorite team didn't win a game.

Posted by: rwalker66 | September 20, 2010 7:47 AM | Report abuse

Mid level altocumulus, scattered, barometer 30.06, temp. same as DCA.

Hurricane Igor hitting Bermuda, most power out. Getting a Category 1; preparations were for "3".

Jet stream still seems to be north of us.

Posted by: Bombo47jea | September 20, 2010 7:51 AM | Report abuse

While I know the game was rough last night, I still hope you all can get out and enjoy a long lunch today? Sit under a tree and read, perhaps? It is a great one!

Posted by: Camden-CapitalWeatherGang | September 20, 2010 10:29 AM | Report abuse


The Daily Digit, as it says right in the box, is a "somewhat subjective rating of the day's weather" ... it's primarily based on the weather, and many days exclusively so. But sometimes we like to incorporate non-weather factors that may have an impact on many of our readers.

We think it's fun to do so. Hopefully at least some readers out there enjoy it.

Posted by: CapitalWeatherGang | September 20, 2010 11:29 AM | Report abuse

What do you think of today's digit? Vote your call using the link in the Daily Digit box above. Note, just fixed the link for this, which was broken until now.

Posted by: CapitalWeatherGang | September 20, 2010 11:34 AM | Report abuse

Clouds have disappeared by now.

Redskins loss is definitely disappointing. The Skins were ahead 20-7 at the half...this is a game we SHOULD have won handily...actually we lost it on an officiating call...they should have NOT allowed that Kubiak timeout in OT! Sadly we're continuing the old familiar pattern of years past...missing the playoffs due to close-call blunders by players, coaches and officiating.

Posted by: Bombo47jea | September 20, 2010 11:38 AM | Report abuse

I'm sure the dance crowd doesn't want to hear it, but I am fervently praying for some rain. My renovated lawn is frying here, and it seems like as soon as I move the sprinklers, the patch they were on is already dry again!

Posted by: jburksva | September 20, 2010 12:26 PM | Report abuse

GO AWAY HOT AND STICKY WEATHER!!!! I am so sick of 90 degree crap. I finally got to go hiking and kayaking this weekend because the temps were perfect.

And would it have been too much for a weather person to pronounce Igor as Eyegor???

Posted by: SPS1 | September 20, 2010 2:36 PM | Report abuse

SPS1 - you wanted a different pronunciation of Igor for some reason? I am curious!

Posted by: Camden-CapitalWeatherGang | September 20, 2010 2:53 PM | Report abuse

Camden, Young Frankenstein reference.

Posted by: SPS1 | September 20, 2010 3:47 PM | Report abuse

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