Network News

X My Profile
View More Activity
The new Washington
Post Weather website
Jump to CWG's
Latest Full Forecast
Outside now? Radar, temps
and more: Weather Wall
Follow us on Twitter (@capitalweather) and become a fan on Facebook
Posted at 3:00 PM ET, 09/24/2010

DCA shatters record of 94, soars to 99

By Jason Samenow

Reading hottest on record this late in season

* Full Forecast thru the weekend | Tropical Storm Matthew update *

(updated at 10:30 p.m.)

Reagan National's (DCA) record high today is 94 (from 1970) and Dulles's (IAD) is 92. The hottest it's ever been (since records began) after September 23 is 96 at both airports. Will we match or best any of these records? Each hour we'll provide an update:

Evening update: The official high for the day was 99 at Reagan National and 97 at Dulles.

3 p.m.: Unbelievably, the temperature at National shot up to 98 last hour, crushing the old record. It's also the hottest it's ever been this late in the season. Dulles is up to 95.

2 p.m.: National is at 93, one degree shy of the record. Dulles is up to 94, breaking its record from an hour earlier.

1 p.m.: Dulles has already eclipsed the record for the day, up to 93 at 1 p.m. National is making steady progress toward tying or breaking today's record, now up to 91 degrees.

By Jason Samenow  | September 24, 2010; 3:00 PM ET
Categories:  Extreme Heat, Local Climate  
Save & Share:  Send E-mail   Facebook   Twitter   Digg   Yahoo Buzz   StumbleUpon   Technorati   Google Buzz   Previous: Tropical Storm Matthew may threaten U.S.
Next: PM Update: Is today's record heat our 90+ finale?


This MIGHT be our last ninety-degree day of the season, unless tomorrow is warmer than the mid to high eighties expected--OR another near-record heat wave sets up in early October!

Posted by: Bombo47jea | September 24, 2010 1:16 PM | Report abuse

With westerly winds, temps starting the day warm tomorrow (near 70 or low 70s at National), and plenty of sun once any morning clouds associated with the front clear, I'd say we have a 40-50% chance of touching 90 at National tomorrow. That would, if it happens, tie the 1980 record of 67 90-degree days in a year. -Dan, CWG

Posted by: CapitalWeatherGang | September 24, 2010 1:35 PM | Report abuse

90 tomorrow ties the record, right?

The latest 90 day was Oct 11, IIRC, so we still have 2 weeks to beat it.

Posted by: wiredog | September 24, 2010 1:41 PM | Report abuse

This is the 3rd record high in a row for Dulles.. last two days tied previous record highs.

Posted by: Ian-CapitalWeatherGang | September 24, 2010 1:47 PM | Report abuse

Given the gusty winds predicted later this afternoon and how quickly that fire in Manassas spread yesterday, people should be extremely careful about grilling, etc. outdoors today. The NWS posted a statement about the regional fire danger:

Posted by: JerryFloyd1 | September 24, 2010 1:50 PM | Report abuse

Wow! 98 at DCA.

Posted by: Ian-CapitalWeatherGang | September 24, 2010 2:57 PM | Report abuse

Heck, might as well go for 100, since we're that close.

Posted by: JerryFloyd1 | September 24, 2010 3:04 PM | Report abuse

Had been wondering why I kept wiping my forehead.. 100 degrees? No thanks and not in this lifetime.

Jason Samenow.. ur still da man! lol

Posted by: RedCherokee | September 24, 2010 3:17 PM | Report abuse

Down here in Miami where I am today, it's ONLY 85. Sounds good, except the dew point is 80!! In turns out, the heat index for DCA and MIA are virtually the same (99 Mia; 100 at DCA)

Posted by: SteveT-CapitalWeatherGang | September 24, 2010 3:19 PM | Report abuse

I just cannot take this crap anymore!!

Posted by: sigmagrrl | September 24, 2010 3:22 PM | Report abuse

Don't worry, I've been seeing the wooly caterpillars like crazy the last two weeks...just like last year. They know something is up for the winter. We'll have a killing freeze before the next four weeks...

Posted by: DullesARC | September 24, 2010 3:26 PM | Report abuse

No more. no more. no more. :-(((


Posted by: prayforsnowDC | September 24, 2010 3:37 PM | Report abuse

I expect the above average temps 2 cont. thru Oct. A couple of 90 days in Oct. wouldn't surpise me. I'm going with a high of 90 on Sat.

Posted by: VaTechBob | September 24, 2010 3:59 PM | Report abuse

prayforsnowDC - agreed. I ask for mercy now too. EESH!!!!

Posted by: Camden-CapitalWeatherGang | September 24, 2010 4:58 PM | Report abuse

I think this is our "third last" 90 degree day. The first last was ~Sept 7 when it got to 96 and the second last about a week ago just before a a stretch of fall-like weather. I don't know if it will go to fourth last or even fifth last. The 1980 record was safe.

No knock on you, CWG, the technology isn't there yet (and may never be).

Posted by: kperl | September 24, 2010 5:27 PM | Report abuse

99 the official high.. puts some breathing room (about 2 weeks) between previous latest high since we've seen a 98 on the 23rd.

Posted by: Ian-CapitalWeatherGang | September 24, 2010 5:35 PM | Report abuse

kperl, I don't believe that's fully accurate. There has been speculation that we might be at the end but this heat wave especially was foreseen at least a week out.

Posted by: Ian-CapitalWeatherGang | September 24, 2010 5:36 PM | Report abuse

I find it fascinating that airports are used as the place to measure temperatures when neither DCA nor IAD were in existence 75 years ago. And of course, no one lives at an airport. At the least, please use a place that is not covered in tarmac/ blacktop, filled with heat from aircraft engines and, in the case of IAD, totally devoid of shade. How about measuring the temperature on the Mall?

Posted by: carolineC1 | September 24, 2010 6:06 PM | Report abuse

The comments to this entry are closed.

RSS Feed
Subscribe to The Post

© 2012 The Washington Post Company