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D.C. area forecast: Clouds hard to kick this weekend, showers lurk today

1:50 p.m. update: Isolated to scattered showers across the area this morning, and a more consistent band pushing through southern spots during the midday, are now moving east. Peeks of sunshine are showing up and we might even end up with a fairly nice late afternoon. Odds of rain behind the activity pushing away are much diminished, though a shower or two is still possible, particularly south of D.C.

Today’s Daily Digit

A somewhat subjective rating of the days weather, on a scale of 1 to 10.

Less heat and humidity, but skies quite cloudy and a shower threat can’t be dismissed.

Express Forecast

Today: Mostly cloudy. Showers possible. Highs: 82-87.

Tonight: Trending clearer overnight. Lows: Mid-60s to near 70.

Tomorrow: Partly sunny. Highs: Mid-to-upper 80s.


Radar & lightning: Latest regional radar shows movement of precipitation and lightning strikes over past two hours. Refresh page to update. Click here or on image to enlarge. Or see radar bigger on our Weather Wall.

Summer has returned, though a front slipping south through the region helps turn down the heat and humidity a little through the weekend. As a disturbed area of weather rides along the front today, we have a hard time freeing ourselves from clouds. But, at least slightly brighter times should be ahead for tomorrow, as heat ticks back up for a few days to start the week.

Today (Saturday): This is a tricky forecast that’s gone a bit downhill as we close in. Skies are going to want to stay rather gray, so mostly cloudy should do it. The further north you are, the better your chance of those sunnier breaks. A little system working along the front stalling nearby may try to spread some showers into the area, but the bulk should want to stay south. A 50% chance of showers for southern suburbs trails to about 30% chance for northern suburbs. Thanks to plentiful clouds, highs may struggle for the mid-80s. Confidence: Low-Medium

Tonight: We might keep mostly cloudy skies and a risk for showers (favoring south and southeastern spots) going into evening, though it trends clearer as the night progresses. Lows dip to the mid-60s in the coolest suburbs to around 70 downtown. Winds are light to near calm from a westerly direction. Perseid meteor shower viewing should be possible at times if not ideal, with some cloud breaks a decent bet. If you can drive and want to, consider heading north into Pennsylvania. Confidence: Medium

For related traffic news, check out Dr. Gridlock. Keep reading for the forecast through the weekend…

Tomorrow (Sunday): This could be the pick of the weekend, mainly because it appears it will feature fewer clouds. Partly sunny should do it at best though. Highs are mainly in the mid-to-upper 80s, perhaps a few spots of 90. Humidity levels remain lower than recent days if still plenty noticeable. Winds are light from the southwest shifting to south. Confidence: Medium-High

Tomorrow night: Clouds tend to increase overnight as moisture off the surface streams in. Dew points should be creeping back up as well, helping keep lows a little warmer, or in the upper 60s to low 70s.
Confidence: Medium-High


On Monday, it’s feeling like summer as a sunnier morning causes clouds to bubble through the day. Isolated showers or thundershowers are possible by afternoon into evening, but shouldn’t be widespread if they happen. Highs are around 90, with heat indices higher. Confidence: Medium

Following lows in the near 70 to mid-70s range, Tuesday brings another muggy and toasty day, but a stronger cold front is also on its way from the west. This should yield scattered showers and storms by late day as highs again reach the near 90 range. Confidence: Medium

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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Ian Livingston · August 10, 2013

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