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Posted at 5:00 AM ET, 09/17/2010

Forecast: Staying warm through weekend

By Camden Walker

* Six early American climate myths (part 2) | High ragweed pollen *
* Outside now? Radar, temps & more: Weather Wall *
* Number of 90+ days this year: 63 (Record: 67, 1980) *

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


Some sun & 80s make for a great day. But a tad warm for me. C'mmon *rolls dice* autumn!
Get the 'Digit' on Twitter


Today: Partly sunny. Low-to-mid 80s. | Tonight: Mostly clear. 50s to low 60s. | Tomorrow: Mostly to partly sunny. Low-to-mid 80s. | Sunday: Mostly to partly sunny. 80s. | A Look Ahead | Get Express Forecast by E-mail


A. Camden WalkerShowers last night into the early morning were enough to give our lawns a drink. Some more rain would be nice, but I don't see any additional meaningful precipitation over the next several days. Instead, we'll enjoy warm 80s (not as warm as yesterday's somewhat surprising high of 91 at Reagan National) and a fair amount of sun. Not bad as weekends go.

Temperatures: Latest D.C. area temperature map powered by iMapWeather (base map by Google). Click and hold on map to pan. Double-click to zoom. Refresh page to update. See larger map on our Weather Wall.

Today (Friday): The sun and clouds mingle today for partly sunny skies. Any remaining showers should be gone by around or just after sunrise. A steady breeze from the northwest, near 10-15 mph at times, gradually decreases the leftover mugginess in the air. Temperatures are a little cooler than yesterday with highs in the low-to-mid 80s. Confidence: Medium

Tonight: Mostly clear skies, lowering humidity, temperatures mainly in the 70s, and a light breeze from the north make for a refreshing evening. Before sunrise, overnight lows dip to the 50s (suburbs) to low 60s (downtown). Confidence: Medium-High

Vote your call for today's Daily Digit (see Daily Digit box above), and keep reading for the forecast into next week...

Tomorrow (Saturday): I think you'll be pleased with mostly sunny skies for much of the day, though some high clouds may arrive during the afternoon. Highs in the low-to-mid 80s should be pretty nice, too, especially with comfortable humidity and light winds. Confidence: Medium-High

Tomorrow Night: Skies should stay mostly clear and temperatures slowly fall through the 70s into the 60s. Similar to tonight, the suburbs head for lows in the 50s while downtown ends up in the low 60s. Confidence: Medium-High

Sunday: Another mostly to partly sunny day with highs in the 80s. A cold front looks like it wants to come through dry, but can't totally rule out a shower late in the day or during the evening. Confidence: Medium


Sunday night, we'll have that small chance of an evening shower. Overnight lows are a bit higher than the previous couple nights -- from near 60 in the suburbs to maybe as high as the mid-60s downtown. Confidence: Low-Medium

Monday & Tuesday should be mostly sunny and a pleasant start to the new work week with highs from near 80 to the mid-80s, and humidity in check. Confidence: Medium

Our average highs for this time of year are now down to the upper 70s. But it looks like we'll stay above average as next week progresses.

By Camden Walker  | September 17, 2010; 5:00 AM ET
Categories:  Forecasts  
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Re: "surprising" 90's. Where have you been?

Posted by: eric654 | September 17, 2010 6:13 AM | Report abuse

What is the latest date that we have a record high in the 90's?

Or, maybe a better question... when's the latest we can reasonably expect some 90's?
Until the end of this month?

Just wondering when we can expect them to be over and done... and compare to the record...

Posted by: MKoehl | September 17, 2010 9:00 AM | Report abuse

October 11 is the last 90 degree record at DCA, but of course some upper 80s interspersed in October after that. I am of the belief we will at least tie the record number of 90-degree days in DC before Winter hits.

Yesterday's high is now reporting in the NWS daily summary as 91F? sigh. Maybe another expert on my CWG team can examine/explain...arghh :) Still: above 90!

Posted by: Camden-CapitalWeatherGang | September 17, 2010 9:29 AM | Report abuse


Not surprising for this summer. But for yesterday in particular. It wasn't a surprise that southerly flow ahead of the cold front caused temperatures to spike upward, but that spike was widely anticipated to be upper 80s at most.

Posted by: CapitalWeatherGang | September 17, 2010 10:27 AM | Report abuse

Outdoor plans? BBQ? let me hear about your weekend!

Posted by: Camden-CapitalWeatherGang | September 17, 2010 11:53 AM | Report abuse

H St (NE) Festival on Saturday. Should be glorious!

Posted by: rhingo | September 17, 2010 1:01 PM | Report abuse

Ooooh, rhingo, that should indeed be splendid! Get some mussels for me at Granville Moores :-)

Posted by: Camden-CapitalWeatherGang | September 17, 2010 1:09 PM | Report abuse

@Camden, the Post's weather page listed 92 as yesterday's DCA high, so I was a bit surprised when Adam Caskey said it was 91 during the noon news, but sure enough, it's been changed, as have the YTD cooling degree days, which dropped from 1,948 to 1,947.

If you'll recall, last winter the NWS had to "adjust" BWI's snowfall from 80" to 77" (due to an incorrect figure for Snowpocalypse?).

For historical reasons, I'd rather have correct data and if data has to be adjusted on rare occasions because of an inaccurate measurement, sobeit.

Mexico is celebrating its 200th birthday this week, so it's gonna be a taco weekend.

Posted by: JerryFloyd1 | September 17, 2010 2:23 PM | Report abuse

Hey there JerryFloyd1 - Appreciate your commentary & contributions... def like the sound of tacos! I stopped (er, walked past) the Mexican Embassy this week just to wish them a happy bicentennial ;)

Posted by: Camden-CapitalWeatherGang | September 17, 2010 3:22 PM | Report abuse

@Camden, jeez, the Mexican Embassy is less than a block from where I work and I didn't stop by. Oh well, I wished a Mexican colleague ¡Feliz cumpleaños!

In my previous post, "If you'll recall" on second reading sounds so pedantic, which was not the intention. Should have skipped that phrase completely.

Now, on to those tacos! (And hoping that Mexico doesn't get slammed too badly by Karl, but with up to 15" rain forecast in the mountains, it doesn't sound good. Amazing how fast Karl intensified over the Bay of Campeche.)

Posted by: JerryFloyd1 | September 17, 2010 3:50 PM | Report abuse

Karl's intensification was essentially record-setting. The curvature of the Bay is quite a rare setting for augmentation of a storm already spinning as it enters the Bay there. Perfect curvature of the land and deep, warm waters, almost no wind sheer... like a hurricane incubator!

Posted by: Camden-CapitalWeatherGang | September 17, 2010 5:13 PM | Report abuse

off to Cox Farm tomorrow for the Preview Weekend. looks like we'll have excellent weather for an excellent place to have fun!

Posted by: snowmomma | September 17, 2010 8:43 PM | Report abuse

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