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Posted at 2:00 PM ET, 07/19/2009

Forecast: After Sunday Sun, Cloudier Week Ahead

By Brian Jackson

Starting Monday, moister air and shower chances

* Outside Now? Temps, DC Cam & More: Weather Wall *


Today: Mostly sunny. 83-87. | Tonight: Increasing clouds. 65-68. | Tomorrow: Cloudy skies. Chance of spotty showers, isolated storm. 80-84. | A Look Ahead


Bright skies and below-normal highs greet you again today as our wonderful weekend weather continues. Increasing clouds tonight, though, will be a precursor for an unsettled pattern to come. Trapped between a Bermuda High to our east and a dip in the jet stream just to our west, we'll contend with at least the chance for showers and storms for several days this coming week. That's not such a bad thing considering how dry we've been.

Today (Sunday): This weekend concludes wonderfully with another dry, warm day to enjoy. Plenty of sun will bathe the area for the large part of the day with a few clouds building later in the afternoon. Highs should reach the mid-80s, and with humidity still at bay we're left with a very nice Sunday indeed. Confidence: High

Tonight: Light winds from the east/southeast bring with them a moister airmass. What this means for us is increasing clouds and warmer temperatures than last night. Overnight lows in the mid-to-upper 60s. Confidence: Medium-High

Keep reading for your forecast through midweek...

Tomorrow (Monday): A new week brings with it a new pattern weather-wise. Highs will struggle to reach the low 80s thanks to partly to mostly cloudy skies. Shower chances increase from slight during the morning to around 40% during the afternoon. But much of the action should be spotty and light in nature. Winds blow lightly from the east-southeast at 5-10 mph. Confidence: Medium

Tomorrow Night: We'll have the chance of a few showers and/or mist with mostly cloudy skies and lows in the 60s (suburbs) to near 70 (downtown). Confidence: Medium


Tuesday could see rain chances a bit higher (around 50-60%) as a wave of low pressure moves through the region. Skies should once again be mostly cloudy with most of us likely to see at least a passing shower, and maybe more. Temperatures will struggle again -- toward highs near 80. Shower chances continue overnight with lows in the upper 60s. Confidence: Medium

Wednesday we may be able to say hello to the sun again, but only briefly. A few peeks are possible in the morning before a 30% chance of afternoon showers and thunderstorms. Temperatures may climb a bit higher, with the humidity making afternoon highs in the mid-80s feel quite sticky. Confidence: Medium

By Brian Jackson  | July 19, 2009; 2:00 PM ET
Categories:  Forecasts  
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Weekly outlook: Space weather indicates we are still in a sunspot minimum...we do need some surface moisture, just not the days or weeks on end of wringing humidity and thunderbolts that AugustaJim likes to throw my get that kind of a rain mess we will need either a massive retrograde move/stall from the southeast or another ITCZ-mimicking frontal-boundary stall across Central Virginia. I still have two weeks of Tuesday-night dancing before the Clarendon Ballroom goes on its August swing-dance vacation. This Tuesday is particularly bad due to a civic association meeting before the dance. I do suspect more humidity between now and Labor Day but do hope we can get a couple more of these continental polar surges before the summer's out. El Nino seems to be establishing itself and the hurricane season is quiet so far. The MJO seems to be rather quiet with no big Kelvin waves.

Posted by: Bombo47jea | July 19, 2009 10:45 AM | Report abuse

I know you guys don't have a crystal ball, but what is your forecast for rest of the summer?
Will we get at least... say... 20 more of "nice day!" stamp on the local forecast?
I just want to make sure that August will be similar to July... can you make it so? Can you? Can you?

Posted by: SanDieganLostinDC | July 19, 2009 11:47 AM | Report abuse

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