D.C. area forecast: Mild and muggy ahead of stormy cold front

Today’s Daily Digit

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

6
Late afternoon or evening showers and storms may pack a punch, so enjoy the quieter, muggy conditions while they last?

Express Forecast

Today: Fog, clouds allow peeks of sun before late-day storms. Near 80 to low 80s.

Tonight: Evening showers and storms likely. Upper 40s to low 50s.

Tomorrow: Breezy but increasing sun. Near 60 to mid-60s.

Sunday: Mostly sunny. Near 60 to low 60s.

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.

Today seems uneventful until probable storms later, so consider “enjoying” the clouds and mugginess? Our payoff for dealing with this evening’s cold front is a weekend of sunshine and more spring-like (crisp, cooler) temperatures. Our work week may bring our penance, with an Atlantic Ocean marine layer threatening to overtake us with clouds, a shower risk, and a bit of mugginess through Tuesday.

Today (Friday): Morning clouds and fog should slowly turn into moments of sun here & there. Mugginess increases with a 15-25 mph wind from the south that boosts highs to near 80 to the low 80s. An isolated shower is possible through mid-afternoon, but the main event is a likely line of showers and storms associated with a strong cold front, probably pushing through from west to east between 4 p.m. and midnight. We could have gusty winds, heavy rain, thunder and lightning. Some severe winds and/or large hail can’t be ruled out, but it doesn’t look like a widespread severe event. Confidence: Medium

Tonight: The line of showers and storms advances east across the area during the evening. Again, a few storms could flirt with or reach severe criteria (i.e., damaging winds and/or large hail). The strongest stuff with the gustiest winds and heaviest rain should clear the area by around midnight, though a few showers and storms may linger later especially east of I-95. The heaviest showers and storms could produce over an inch of rain in some spots. Lows only make it down to the low 50s downtown, with upper 40s probable outside the Beltway. Confidence: Medium-High

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

Tomorrow (Saturday): The slightly warmer of our two weekend days, high temperatures should reach at least near 60 for most of us, if not the mid-60s. Skies see increasing sun and the air is dramatically drier thanks to winds from the west and northwest, gusting 20-30 mph at times. Confidence: Medium-High

Tomorrow night: Whoa, grab that jacket. After the sun goes down, temperatures follow suit—into the upper 30s to low 40s just prior to sunrise (maybe the mid-30s in the coldest suburbs) with mostly clear skies and light winds. Confidence: Medium

Sunday: High pressure fully takes hold along with our drier, cooler air. Temperatures may struggle to reach highs from near 60 to the low 60s, despite mostly sunny skies. Confidence: Medium-High

A LOOK AHEAD

Sunday night: Should be just a touch less chilly. Partly cloudy conditions could insulate us just a bit, propping lows up in the low-to-mid 40s. Confidence: Low-Medium

Monday is not looking great right now. Clouds and breezes look to come in off the Atlantic, and rain threatens to intrude as weak low pressure forms off the coast, though there’s a decent chance the rain stays south and east of the area. Highs may only make the 50s if we stay really socked in with clouds (and especially if showers develop). If we see a few peeks of sun, then low 60s are within reach, along with a touch of maritime humidity.  Confidence: Low-Medium

Tuesday holds a slight chance of a shower with partly to mostly cloudy skies. Luckily we have just a hint less of a maritime fetch, allowing highs to reach near 60 to the mid-60s.  Confidence: Low

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

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Wed.

thunderstorms
-- /93°
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Thu.

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Sat.

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Sun.

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Mon.

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Jason Samenow · April 18, 2013