D.C. area forecast: Superb summer weekend; heat and humidity resurgence next week

Today’s Daily Digit

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

10
Lots of sun, and pleasant temps/humidity. August doesn’t get much better than this.

Express Forecast

Today: Mostly sunny. Highs: Near 80 to mid-80s.

Tonight: Mostly clear. Lows: Mid-50s to mid-60s.

Tomorrow: Mostly sunny. Highs: Low-to-mid 80s.

FORECAST IN DETAIL

Now in the home stretch of August, given that the area is running a few degrees below normal during a typically hot time, it’s hard to complain much about how the month has gone temperature-wise. This weekend continues that trend, but summer is not totally ready to give up just yet.

Today (Saturday): Hopefully you’re up early enough to grab a coffee and enjoy some of that “crisp” morning air. If not, well, the day’s going to perform throughout. Any cloudiness should be minor, and humidity also falls into that category or below. Temps? Reaching highs from near 80 to the mid-80s. A nice breeze from the north and northeast, peaking around 10 mph in the afternoon, adds to the flavor of the day.   Confidence: Medium-High

Tonight: Those lacking dew points help temperatures cool quickly with sunset. A bit of a fall preview — or, another one. The cooler suburbs may make it into the 50s for lows, while downtown is more likely to reach the low-or-mid 60s. Confidence: Medium-High

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

Tomorrow (Sunday): If I was rating Sunday, it would probably be another 10. Fingers crossed it holds. A lot like today, but maybe even sunnier? Temperatures are pretty similar as well, with highs in the low-to-mid 80s most spots. Winds are more from the south or southwest, around 5-10 mph. Confidence: Medium-High

Tomorrow night: Rinse and repeat. Skies remain mostly clear to partly cloudy. Lows are plenty nice once again as well, ranging from the upper 50s to mid-60s. Confidence: Medium-High

A LOOK AHEAD

Monday gets us back onto a summer track as dew points tick up and clouds do as well. Along with a bit of a rise in humidity, temperatures are probably up a few notches from the weekend, with highs largely in the mid-80s. From here, it looks like the storm threat is slim to none, but on the edge of a central U.S. high pressure system, we’ll need to watch a bit. Confidence: Medium

On Tuesday it’s feeling pretty toasty. Skies are partly cloudy, with afternoon bubbling. Temperatures kick it up once more, with highs reaching near 90. Add in fairly sultry dew points to go along with it. There may be a better shot of showers and storms by Tuesday as convective systems continue to try to form around the edges of the high to our west. 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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Heat Tracker

31
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

Thu.

thunderstorms
78° /94°
Drop 60%

Fri.

sunny_clear
72° /91°

Sat.

partlycloudyday
73° /91°

Sun.

partlycloudyday
72° /92°

Mon.

thunderstorms
73° /93°
Drop 20%

Tue.

thunderstorms
73° /94°
Drop 20%
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Ian Livingston · August 24, 2013