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The week ahead: Wet start, warm finish...

Jason Samenow @ 12:19 AM

Washington's signature heat and humidity have been pretty hard to come by this season. Sure -- we've had several 90+ days -- but no sustained heat waves and lots of days in the 70s (see the past weekend). Most of us are probably resigned to the fact "they're coming" and recognize the oppressive days when we get to work drenched in sweat will arrive soon. For the coming work week, I'm happy to report I expect no such days. But beware, we may see heat begin to build this weekend. The week ahead forecast follows....


Forecast Confidence: Medium-HighA bit of much needed rain. With our rainfall deficit running over 6" for the year, today's light rain -- courtesy of a weak frontal wave -- is welcome -- but probably not enough. Expect intermittent showers, particularly this morning. The heaviest activity will be south of DC. In fact, there may be a pretty sharp northern cutoff so places north of Montgomery County don't get much in the way of rain. Temps will be on the cool side, with clouds and rain holding highs to around 70. The sky may brighten, particularly north and west of DC, during the afternoon/early evening hours. Overnight, we'll have gradual clearing across the area, with lows in the upper 50s downtown and lower 50s in the suburbs.


Forecast Confidence: High-Very HighAn excellent day. Weak high pressure will build in, allowing for partly to mostly sunny skies and high temperatures near 80. Overnight, cool and clear conditions should prevail, with lows in the low to mid 50s in the suburbs, and mid to upper 50s downtown.

Pictured: Some cirrus clouds at the Nationals game yesterday afternoon -- by photographer Ian Livingston (left). And a stratocumulus deck is apparent at Reagan National Airport yesterday -- by contributor Jeffrey Levy (right).


Forecast Confidence: MediumChance of showers. A weak cold front will cross the area which may bring some isolated showers. These showers could be enhanced (but probably not significantly) by the remnants of Tropical Storm Alberto (see the National Hurricane Center for more information on the storm -- he's bringing relief to the drought and fires in western Florida.). High temperatures will probably be in the range of 76-80. Overnight, partial clearing is likely with lows in the low 60s inside the beltway and 55-60 in surrounding areas.

Thursday and Friday

Forecast Confidence: HighTwo nice days? High pressure is expected to move in from the northwest starting Thursday, making conditions favorable for dry but cooler than average weather. Highs should be 77-81 both days under partly cloudy skies. Overnight lows will probably be 55-60.

The Weekend

Forecast Confidence: Medium-HighTurning more summery... With high pressure overhead Saturday, it looks pretty good -- with mostly sunny skies and temperatures in the low 80s. It may become quite warm and humid on Sunday when winds turn more southerly, with highs in the mid to upper 80s. Low temperatures each day are likely to be in the 60s.

Pictured: Sunset yesterday evening from the Blue Ridge Mountains, courtesy Steve Pittman (left). And a virga sunset from Oakton, VA by photographer Kevin Ambrose (right).


The average high this week is in the mid 80s with the average low in the mid 60s.

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