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Posted at 5:00 AM ET, 09/10/2008

Forecast: A Pair of Pleasant 70s

By Dan Stillman

Humidity waiting in the wings for weekend

The last time the high temperature at Reagan National Airport failed to reach 80 degrees two days in a row with no measurable rain on either day was May 24-25. I think we have a good chance of finally doing it again today and tomorrow. Shower chances return late Friday and Saturday, and Sunday could be a hot and humid one.


Partly sunny. Low-to-mid 70s. The front that brought yesterday's showers and a few storms hangs out just south of the area today, making the cloud forecast not so clear cut. Let's call it partly sunny, with fewer clouds the further north you go and more clouds the further south. High temperatures? Looks like low 70s for sure, mid 70s with enough sun. The air will be refreshingly dry compared to yesterday's mugginess, and the breeze about 10 mph from the northeast.

Tonight, partly cloudy with lows in the low 60s downtown, mid-to-upper 50s in the suburbs.

Keep reading for the forecast through the weekend.


Partly sunny. Mid 70s. With that frontal boundary still lurking to the south, clouds may once again vary across the area, with more sunshine north of town and less sunshine south. Highs in the mid 70s. Overnight, partly cloudy with lows in the low 60s area-wide.


Much of Friday might be just fine, with partly sunny skies and highs reaching the upper 70s to near 80. Watch for increasing clouds in the afternoon, and by late afternoon or evening an approaching warm front could touch off some scattered showers and thunderstorms (30% chance). Rain chances continue overnight, increasing to around 50%. Confidence: Medium

The warm front hangs around on Saturday, which is shaping up to be a rather cloudy and humid day with a good number of showers around, maybe a few thunderstorms, and highs in the upper 70s to mid 80s. Confidence: Medium

Signs are that the warm front will lift well to the north for Sunday, allowing hot and very humid air to stream in from the south (you thought you were done with that summer swelter, didn't you?). With a mix of sun and clouds, we could see highs back into the upper 80s to near 90, and about a 25% chance of a shower or thunderstorm. Confidence: Medium

By Dan Stillman  | September 10, 2008; 5:00 AM ET
Categories:  Forecasts  
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Unfortunate forecast for wedding. Better than last Saturday, I suppose.

Posted by: Kalorama Park | September 10, 2008 8:26 AM | Report abuse

Congratulations, Kalorama Park! Best wishes for many happy memories to be made on Saturday-- regardless of the weather.

Posted by: science teacher (Arnold) | September 10, 2008 9:29 AM | Report abuse

My wedding day as well. crud. any idea as to timing of rain - all day or spotty?

Posted by: Rishi | September 10, 2008 11:14 AM | Report abuse

We have a big community yard sale Saturday and the rain will spoil it. Is this an all day affair or just afternoon?

Posted by: Greg | September 10, 2008 11:33 AM | Report abuse

I got married on a perfectly miserable, couldy, misty and cool day . . . . almost 8 years ago. So don't believe the bad luck stuff . . . and frankly you won't remember much about the weather :).

Posted by: Southside FFX | September 10, 2008 11:36 AM | Report abuse

Thanks, Southside! I'm not too worried about bad luck, more so about our guests getting soaked. it's an outdoor wedding!

Dan - is there any confidence as to when the rain will move-in or out?

Thanks in advance!

Posted by: Rishi | September 10, 2008 12:23 PM | Report abuse

Re: Saturday questions -- Sorry folks, I don't have much more to give you on that. The showers/rain may be limited to a part of the day rather than the whole day, but morning may be just as likely as afternoon. We're looking at a series of rain-producing waves potentially moving through from late Friday through Saturday, but the timing of these waves is difficult to tell as of now.

Posted by: Dan, Capital Weather Gang | September 10, 2008 12:37 PM | Report abuse

To be frank, we've gotten enough rain for the month with Hanna; we don't need that much more. Always on the weekend! Blame it on all those folks clamoring for "much-needed" rain.

It's just like those darned right-wingers; they get you anyway. Gov. Palin is the worst excuse for a VP nominee since Dan Quayle, and, frankly, I can't see how she got McCain even with Barack Obama in the polls. Watch for Joe Biden to CREAM her in the VP debate! Heck, she's opposed to sound scientific thinking with her "creationist" position.

Posted by: El Bombo | September 10, 2008 12:55 PM | Report abuse

She's not too bad on the eyes though.

Posted by: Kalorama Park | September 10, 2008 2:07 PM | Report abuse

Folks -- Let's kill the politics talk unless it fits with the subject of the post.

Posted by: Capital Weather Gang | September 10, 2008 2:56 PM | Report abuse

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