PM Update: Decent summer evening ahead, humid and toasty Tuesday


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After a hot and humid weekend, today brought something of a respite thanks in part to well timed (to stunt heating) midday showers. Further, a west wind has helped bring those dew points down out of the 70s, at least for a while. There are no major weather concerns heading into evening other than perhaps an errant raindrop or two.

Through Tonight: After a slight chance (20-30 percent) of a quick hitting shower or thundershower, we’re partly to mostly clear overnight. Dew points head back nearer 70 area-wide as west winds slacken to light. Temperatures fall to the upper 60s and lower 70s (maybe only mid-70s downtown).

Tomorrow (Tuesday): Partly to mostly clear skies greet the morning, but we should see increasing cloudiness during the heating of the day. By afternoon, there’s a 40 percent chance of showers and thunderstorms pushing in from the west. Highs should reach range from the upper 80s to low 90s most spots.

See Jason Samenow’s forecast through the weekend. And if you haven’t already, join us on Facebook and follow us on Twitter . For related traffic news, check out Dr. Gridlock.


Black Eyed Susan (Barbara Anne am Ende via Flickr)

No complaining about the heat! Our recent spell of heat has been rather pedestrian for July, a month which averages about 2 weeks of highs 90 or higher. Compared to last year, it’s truly nothing to write home about. On July 8, 2012 we were wrapping up a four day stretch of temperatures 100 or higher with a high of 102. It was the final day of an 11-day streak of 95 or higher, the longest on record by three days. The average high over the 11 days? 99.5 — the highest we’ve seen for a stretch that long!

Pollen update: Tree, grass and weed pollens are all LOW. Mold spores remain HIGH.

Ian Livingston is a forecaster/photographer and information lead for the Capital Weather Gang. By day, Ian is a defense and national security researcher at a D.C. think tank.
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Heat Tracker

49
90-degree days year-to-date
Yearly Average
36
Record Most
67 (1980,2010)
Record Fewest
7 (1886,1905)
Last Year
24

At a Glance

Sat.

partlycloudyday
73° /83°

Sun.

sunny_clear
65° /84°

Mon.

partlycloudyday
70° /89°

Tue.

partlycloudyday
69° /90°

Wed.

thunderstorms
72° /91°

Thu.

thunderstorms
72° /88°
Drop 30%
National Airport
Dulles
BWI

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Dulles
BWI
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Jack Williams · July 8, 2013

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