D.C. area forecast: August goes awry – unless you like muggy heat & rain chances?

August 9, 2013

Today’s Daily Digit

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

5
August delivers! Very warm, muggy, (drenched?) Friday FTW. +1 for clouds masking hot sun from our otherwise melting bodies.

Express Forecast

Today: Damp, muggy, mainly cloudy. Scattered downpours possible. Highs: Mid-80s to around 90.

Tonight: Clouds persist even as showers/storms slowly die.Lows: 71-77.

Tomorrow: Partial sunshine. Chance of shower/storm. Highs: Upper 80s to around 90.

Sunday: Intermittent clouds with lesser shower & storm chances. Lows: 81-87.

FORECAST IN DETAIL


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. Riiight. Mugginess for all, and for all a possible dousing. Showers and storms should get going today, which could bring brief relief. But it is August after all. It may feel as such through the weekend, but heat and humidity should trend downward a bit. We just may need to keep the portable umbrella on us, to play it safe.

Today (Friday): The mugginess is almost oppressive at times. Clouds dominate, but a few peeks of sunshine are possible concurrent with the increasing heavy shower/thunderpour risk by mid-afternoon (65-75% chance of rain). High temperatures could range from mid-80s (skies stay overcast) to around 90 (sunny spots). Moist breezes continue out of the southwest around 5-10 mph. Confidence: Medium

storm threat

Tonight: Those showers and storms may continue to bother us well into the evening (50-60% chance). Skies should stay almost fully cloudy, even when not raining—but hopefully we have a lull after 2 a.m. Low temperatures are a lovely misnomer, settling briefly in the 71-77 range for most of us. Southwest breezes continue at 5-10 mph. Confidence: Low-Medium

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

Tomorrow (Saturday): Sunshine should at least translucently show itself from time to time, through the clouds. A light 5-10 mph breeze out of the west and northwest gives us a small respite from the mugginess as of late. As the day wears on, shower & storm chances increase from 20% chance to 30%–by late afternoon. Add at least 5% on to those chances, south of the city. High temperatures still get summery, in the upper 80s to around 90. Confidence: Medium

Tomorrow night: Many more clouds than stars, probably, with mild overnight low temperatures in the upper 60s to low 70s for most of us. Downtown obviously being the warmest area. Confidence: Medium

Sunday: Looks ok, and may be a bit more tolerable to close out our weekend. We may have “only” a 25% chance of a shower/storm, medium-mugginess, and “cooler” temperatures in the 81-87 degree range. Skies should show us some sun, but I am not a betting person with regards to clouds (winning out lately) vs. sunshine. Confidence: Medium

A LOOK AHEAD

Sunday night: Mostly cloudy skies, helping prevent too much cooling overnight. Low temperatures slowly drift downward toward their ultimate minima in the mid-60s to low 70s. You may want to note slight shower chances in the 25-35% range. Confidence: Low-Medium

For Monday, we should see more sun than clouds, but the sunshine may percolate the atmosphere into a few showers and storms (25-35% chance), most likely in the afternoon. High temperatures should still get nice and warm, into the mid-80s, if not a bit higher near 90 in the sunniest and driest spots south of town Confidence: Low-Medium

Tuesday has little less sunshine in store and that may mean we get a little less warm. Given, too, a 30-40% chance of showers and/or thunderstorms, we may struggle to get to around 80 degrees, with slightly muggy low 80s still appearing likely as of now. Confidence: Low

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