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Posted at 5:00 AM ET, 06/25/2010

Forecast: Who knew 90 would feel nice?

By Camden Walker

Less humid & a little cooler today, then the sizzle returns

* Record highs yesterday | Heat chat transcript | Chronic oil pollution *
* Temps, webcam & more: Weather Wall | NatCast *

Today's Daily Digit
A somewhat subjective rating of the day's weather, on a scale of 0 to 10.
6Hot but not oppressive. Makes for a so-so day, right? I want cooler, but lower humidity is a start.
Get tomorrow's 'Digit' on Twitter tonight


Today: Mostly sunny, drier heat. Around 90. | Tonight: Mostly to partly clear. Upper 60s to low 70s. | Tomorrow: Partly to mostly sunny. Hot & more humid. Mid-90s. | Sunday: Partly sunny, hot & humid. 25% chance of p.m. storm. Mid-to-upper 90s. | A Look Ahead | Get Express Forecast by E-mail


A. Camden WalkerI can't believe I'm going to say this, but "get out and enjoy" highs around 90 today? It will be a very brief break from the crazy heat that's been with us since a week ago. Mother Nature refuses to give us any greater reprieve, with highs well into the 90s again this weekend and possibly Monday too. Air quality will suffer as a result. Drink that water and put on the sunscreen as summer continues to sizzle.

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): Be happy. Highs should only hit around 90 today, about 10 degrees cooler than many spots were yesterday. That line of showers & storms that broke up as it came through yesterday? It was associated with a weak cold front that not only knocks today's temperatures back a bit, but also reduces the humidity. Still, there's a decent chance that mostly sunny skies help us hit 90, which would make this the seventh straight day of 90 or above at Reagan National. Confidence: High

Tonight: Skies likely remain mostly to partly clear. Lows drop to the upper 60s to low 70s as light winds from the south ramp the humidity back up. Confidence: Medium-High

Keep reading for the forecast into next week (hint: there is a slightly cooler light at the end of the hot tunnel)...

Tomorrow (Saturday): Somewhat more humid -- probably into the moderate range -- and hot. Highs should end up into the mid-90s, with light winds from the south bringing in our more humid air. Wear that sunscreen. And dress light & light, which means light-colored clothing and lightweight material. Confidence: Medium-High

Tomorrow Night: A slight chance of an evening storm. The A/C doesn't catch a break, with lows only dropping to the low 70s to near 70 in the suburbs, and low-to-mid 70s downtown. And that humidity keeps increasing. Confidence: Medium

Sunday: Mostly sunny in the morning, more clouds & haze in the afternoon. Need I say it? Hot & oppressive. Highs could climb all the way to the mid-or-upper 90s. Heat index in your locale could easily reach the low 100s. A week ago I would've used an exclamation mark with such conditions, but no more. Have we acclimated? In addition, there's a 25% chance of an afternoon or evening shower or thundershower. Confidence: Medium


Partly to mostly cloudy Sunday night with a continued small chance (20-30%) of a shower or thundershower. Mugginess remains with lows in the 70s (could be as high as the mid-to-upper 70s downtown). Confidence: Medium

Monday continues with unideal air quality and hot, hazy, humid conditions. Temperatures soar again, under partial sunshine, to highs around the low-to-mid 90s. With a stronger cold front approaching, the chance of afternoon or evening showers and thunderstorms rises to around 50%. Confidence: Medium

The heat and humidity should take a step back on Tuesday, to highs in the upper 80s to near 90. Can't completely rule out a shower or thundershower (20% chance). Confidence: Low-Medium

By Camden Walker  | June 25, 2010; 5:00 AM ET
Categories:  Forecasts  
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Hurricane Celia certainly ramped up overnight. We've a Cat 5 in the Eastern Pacific!

Posted by: Brian-CapitalWeatherGang | June 25, 2010 9:09 AM | Report abuse

Hey guys!

I've been seeing reports of a big cool down coming in some time next week and sticking around for a while. Temps in the low-mid 80's for the most part starting around the start of July.

Is this something you have seen and are expecting?

Posted by: wildwolf45 | June 25, 2010 9:33 AM | Report abuse

wildwolf45, we should get at least a temporary break as a trough tries to set up over the northeast bringing some cooler air with it. The issue, I guess, is that the upper ridge sticks around so I would not necessarily think it will last too long once it gets cool. Some of the better guidance (European model) has already backed off a bit on the cooldown length with heat never being too far off and trying to come back relatively quickly.

Posted by: Ian-CapitalWeatherGang | June 25, 2010 10:45 AM | Report abuse

Ninety does feel better when the dewpoint drops well below seventy.

Fortunately Celia won't threaten anybody, and will probably have dissipated well before reaching Hawaii. The hurricane will be back below category 2 within a couple of days and the remnant low will probably pass south of the islands if it gets that far west. Hawaii has been in a drought and could probably use any rain from Celia.

Posted by: Bombo47jea | June 25, 2010 12:01 PM | Report abuse

We still have a rain threat on three of the next six days--though it may be minimal on two of those three.

I was surprised that we had no devastating windstorm yesterday, since New England, New York and Philadelphia did have severe weather and one cell hit Baltimore rather hard.

Posted by: Bombo47jea | June 25, 2010 12:08 PM | Report abuse

it was too late by the time i saw your comment yesterday about how looking at snow sculptures might help cool us down. i was thinking about posting the link on some hot august "dog day"...but maybe i'll post it next time it's supposed to go into the upper 90s.

dang it's been hot 'round here lately. goin' to the pool this afternoon with the family, so i'm glad to see no t-storms predicted.

Posted by: walter-in-fallschurch | June 25, 2010 12:10 PM | Report abuse

Gang - What is the long term outlook for this darn pesky summer? If this past week is any indication of what is to come, than I will be one unhappy man until September.

Posted by: authorofpoetry | June 25, 2010 12:19 PM | Report abuse

Every year I have told those that complain about the heat and humidity here that we always get a break the first two weeks of August, unlike my city of origin. Yes, it is still hot afterwards but we can count on the Canadian air mass visiting us sometime after Congress leaves for the August recess. Of course, no correlation!

Posted by: erbele | June 25, 2010 1:55 PM | Report abuse

authorofpoetry - I am preparing myself for a long, hot summer...unfortunately. Our Bermuda High pattern will continue to assert itself for the foreseeable future and perhaps till September. That is my opinion based on what I am seeing with La Nina & solar minimums, and other global patterns right now.

Posted by: Camden-CapitalWeatherGang | June 25, 2010 1:56 PM | Report abuse

Brian, Celia looks gorgeous on satellite! indeed neat to watch :)

Posted by: Camden-CapitalWeatherGang | June 25, 2010 4:16 PM | Report abuse


Posted by: walter-in-fallschurch | June 25, 2010 11:10 PM | Report abuse

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