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D.C. area forecast: Decent today, but shower chances back Wednesday, Thursday

Today’s Daily Digit

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

Few more clouds, slightly warmer than yesterday, but still “wow-weather” for late July!

Express Forecast

Today: Mostly sunny morning, partly cloudy p.m.  Highs: 82-87.

Tonight: Few clouds. Lows: 60-68.

Tomorrow: Mostly cloudy, p.m. showers. Highs: 81-85.


Temperature Map

Temperatures: Latest D.C. area temperature map. See interactive map on our Weather Wall.

The dog days of summer are apparently barking up a different tree as the weather around here is pleasantly dominated by lower humidity and below normal temperatures.

A weather system approaches Wednesday and may deliver some showers to the area. It may squeeze out a few showers and storms Wednesday night into Thursday too, but then the weather improves on Friday and Saturday with more shower chances by Sunday.

The best news is that we do not see any 90s in the forecast!

Today (Tuesday): High pressure moving across the area today brings modestly warmer air under partly to mostly sunny skies in the morning, but then some cloud increases in the afternoon.  Highs should push into the middle 80s. Humidity ticks slightly higher too, but it is still relatively low.  In fact, today could very well meet Nice Day criteria except for the potential for more clouds this afternoon and some spots could break above 85.  Light winds from the southwest. Confidence: Medium-High

Tonight: Any night in July when the lows drop into the 60s is a good one, and we expect the range to be from the cool low 60s in the outer suburbs to the comfortable upper 60s in the city.  Light winds from the southwest again under partly cloudy skies. Confidence: Medium-High

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

Tomorrow (Wednesday): Partly to mostly cloudy skies along with more moderate humidity levels greet our hump day, but temperatures are not expected to do a whole lot of damage as they only reach the low-to-middle 80s.  Those highs could be a bit cooler if showers roll into the area faster.  For now, we have a 40% chance of showers by especially mid-to-late afternoon.  Rainfall totals should be light from a trace to a tenth in spots that see anything.  Light winds from the south. Confidence: Medium

Tomorrow night: Mostly cloudy with a continued 40% risk of showers and thunderstorms.  Lows are in the middle 60s int the suburbs to near 70 in the city.  Confidence: Medium


Thursday sees a likely chance of showers and maybe a thunderstorm (60%) with partly to mostly cloudy skies and highs in the middle 80s.  This is also the most humid day of the week with moderate to edge-of-high humidity (dew points up into the middle 60s), but at least the temperatures are not that hot.  More showers Thursday night (60% likelihood) as a cold front moves into the area.  Temperatures drop into the middle-to-upper 60s, but closer to 70 downtown. Confidence: Low-Medium

Friday is forecast to be a better day as the cool front is forecast to slide south and east of the area.  Highs should be in the middle 80s, but the humidity is anticipated to drop back down again so we are back in the comfort zone.  Friday night may see a cloud or two, but should be quite comfortable with lows in the 60s along with lower humidity. Confidence: Medium

The weekend should start off well enough with partly to mostly sunny skies on Saturday as temperatures climb only up to the middle 80s yet again.  Humidity is favored to be in the low range too.  Partly cloudy Saturday night with a 20% chance of showers and lows in the 60s.  Sunday may see another weather system intrude into our area, so we raise precipitation chances to 30% and keep those highs in the middle 80s yet again.  Confidence: Medium

Matt Rogers is a meteorologist and a Petworth resident. He is president and co-founder of Commodity Weather Group in Bethesda, Md., which focuses on weather risks for the energy and agriculture sectors. Like most meteorologists, his passion for weather started extremely early in life and has never let go.
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Jason Samenow · July 29, 2013

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