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Posted at 8:30 AM ET, 04/27/2010

Forecast: Cool today, then a steady warm up

By David Streit

Summer-like warmth by the weekend

* Tornado Alley: What's that??? | Radar & more: Weather Wall *

Today's Daily Digit
 
A somewhat subjective rating of the day's weather, on a scale of 0 to 10.
 
7 Banking on afternoon sun. This may be grade inflation if clouds don't break.
 
Get tomorrow's 'Digit' on Twitter tonight

EXPRESS FORECAST

Today: Becoming mostly sunny. 60-65. | Tonight: Clear and chilly. 37-41. | Tomorrow: Mostly sunny and breezy. 63-67. | A Look Ahead | Get Express Forecast by E-mail

FORECAST IN DETAIL

By David Streit, CWG Meteorologist

Up, up and away! That's the direction temperatures are heading as the week progresses. Temperatures 10 degrees below average today will transition to 10 degrees above average by the weekend. Now that's a warming trend. While temperatures experience a steady rise, the dense cloud cover abruptly dissipates -- departing this morning, with abundant sunshine for the next several afternoons.

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 (Tuesday): Early morning clouds quickly dissipate, and plentiful sunshine returns. Winds from the northwest at 10-15 mph will bring in some cooler than average air, with highs just 60-65. Confidence: Medium-High

Tonight: This will be a heavy jacket evening. Brisk winds from the northwest coupled with temperatures dropping quickly through the 50s to the upper 40s will have the heated indoors beckoning. Lows drop into the upper 30s and lower 40s nearly threatening records. Confidence: Medium-High

Keep reading for the forecast through the weekend...

Tomorrow (Wednesday): Sunshine should rule the day, although pop-up puffy clouds are possible mid-afternoon. Highs will be in the mid-to-upper 60s. Brisk winds can be expected to make jackets a desirable part of outdoor attire as they race along at 10-20 mph. Confidence: Medium-High

Tomorrow Night: Temperatures won't drop off quite as quickly this evening but it still won't be outdoor café weather as readings fall through the 50s. Another improvement comes as winds quickly drop off to just 5-10 mph. Confidence: Medium-High

A LOOK AHEAD

Thursday should be as close to perfect as one could ask. Highs climb to the low-to-mid 70s under spotlessly sunny skies. Barely a hint of breeze makes this a day to get outdoors. Confidence: Medium

Friday morning jackets will be but a memory by noon as temperatures rocket from the 40s to the 60s and peak in the mid-to-upper 70s by afternoon. Winds remain light all day long under sunny skies. Confidence: Medium

The weekend is looking like summertime. Morning lows in the upper 50 to lower 60s are a welcome change and highs well into the 80s should lead to shorts and flip-flops in the park. Given enough sunshine, Saturday may hit 90 in a few spots--though the possibility of increasing cloud cover in the afternoon may hamper that. A thundershower is possible by late Sunday but chances are still only 20% for now. Confidence: Low-Medium

By David Streit  | April 27, 2010; 8:30 AM ET
Categories:  Forecasts  
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Comments

Noooo! I'm doing a 30-mile hike on Saturday (along with 300 other people--it's the Sierra Club One-Day Hike) and was really, really hoping it would remain unseasonably cool. Near 90 is going to be killer. Any chance for low humidity, at least?

Posted by: lmd217 | April 27, 2010 7:32 AM | Report abuse

lmd217 - oh no, the timing is just bad for you I would say. I see possibility for above-average humidity.. dewpoints won't be too comfortable..this weekend as well. sorry :(

Posted by: Camden-CapitalWeatherGang | April 27, 2010 8:22 AM | Report abuse

The breeze out there has a bite, but otherwise it's quite glorious this morning in Fairfax. Lots of sun. It sure feels like it's going to be warmer than low-60s come the afternoon, if this sunshine holds.

Posted by: stacylane | April 27, 2010 8:43 AM | Report abuse

Clouds departed in a hurry, didn't they? Forecast updated to reflect this.

@stacylane

You may be right that we do better than low 60s today given where temps are now and all the sun. However, we do have northwest winds blowing in some cool air.

Posted by: Jason-CapitalWeatherGang | April 27, 2010 8:59 AM | Report abuse

CWG, I am so ready to plant my tomatoes & basil outside. But our overnight temps just aren't high enough.....yet.

I know forecasting days & days in advance is pretty darned iffy, but looking into the first week of May do you see any likelihood of more "heavy jacket evenings" for Fairfax county?
If not then I will probably plant this weekend.

Posted by: FIREDRAGON47 | April 27, 2010 10:13 AM | Report abuse

FIREDRAGON47 - I say: plant away. Next week looks ok. And it is a combination of long-range weather forecast + seasonal climatology that makes me believe you should have warmer (soil) temperatures by then!

Posted by: Camden-CapitalWeatherGang | April 27, 2010 10:54 AM | Report abuse

I believe that after tonight much of our area frost threat is over until October.

There could still be a May freeze or two in the West Virginia mountains and possibly the Blue Ridge.

Posted by: Bombo47jea | April 27, 2010 12:14 PM | Report abuse

The comments to this entry are closed.

 
 
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