D.C. area forecast: Sharply colder Sunday with biting breeze; warmer by midweek

November 3, 2013

Today’s Daily Digit

A somewhat subjective rating of the day’s weather, on a scale of 1 to 10.

6
A real bite to the wind-chilled air. Increasing sun, though, and +1 for an extra hour of sleep.

Express Forecast

Today: Becoming mostly sunny, much cooler. Breezy. Highs: Low-to-mid 50s.

Tonight: Clear and cold. Diminishing winds. Lows: Upper 20s to low 30s.

Tomorrow: Sunny and chilly. Highs: Upper 40s to low 50s.

FORECAST IN DETAIL

The calendar kindly brings us an extra hour of sleep this morning, but the weather has other “extras” in store, including extra wind to go with today’s dramatically colder temperatures. The winds are only a limited-time offer, expiring tonight and allowing temperatures to really tumble, dropping below freezing across most of the area. A cold, winter-like Monday morning segues to a chilly afternoon, but warmer air gradually builds in Tuesday and Wednesday.

Temperature Map

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

Today (Sunday): It’s quite the contrast from Saturday, when afternoon readings touched the upper 60s to low 70s. We’ll shave off 15-20 degrees today, with highs only reaching the low-to-mid 50s. Partial morning cloud cover should break apart, yielding mostly sunny skies by afternoon. Some moderate winds aloft mix down to the surface, so you’ll feel a chilly breeze out of the north around 15 mph with gusts near 25-30 mph. That means wind chills stuck in the 40s. Dress warmly if spending time outdoors, especially in the upper levels at FedEx Field. Confidence: High

Tonight: Remember that we get dark one hour earlier this evening, with sunset just a few minutes after 5 p.m. And temperatures waste no time dropping once that sun goes down. Under a clear, star-lit sky, and winds from the north dying down to 5-10 mph, evening temperatures slide quickly through the 40s, eventually bottoming in the upper 20s in the normally colder spots to the low-to-mid 30s inside the Beltway. If Reagan National dips to 33 or lower, it will be the coldest morning this early in the fall in seven years (it was 29 on Nov. 4, 2006). Dulles needs to fall to 26 or lower to achieve the same feat (the airport recorded a low of 22 on Nov. 4, 2006). Confidence: High

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

Tomorrow (Monday): Temperatures only recover about 20 degrees from morning minimums, stalling in the upper 40s to low 50s for afternoon highs (the city and southern/eastern ‘burbs have the best chance at breaking past 50). At least light winds from the northeast (5-10 mph) won’t add much bite to the chill this time, and skies will be sunny throughout the day. Confidence: High

Tomorrow night: As high pressure moves off the coast, flow from the east-northeast allows a little moisture to sneak in. Most – if not all – of the moisture will show itself in the form of clouds rather than precipitation. The clouds help keep overnight lows warmer than tonight, with low 30s far north and west, and mid-to-upper 30s elsewhere. Winds will generally be lighter than 5 mph. Confidence: Medium-High

A LOOK AHEAD

Our weather remains tranquil through midweek, in stark contrast to a developing snowstorm across the Front Range of the Rockies and High Plains. Tuesday does offer clouds, though these should alternate with stretches of sunshine. Highs may warm to the mid-50s to near 60 as winds veer a bit more and blow from the southeast. But if cloud cover is more dominant than expected, afternoon readings may only reach the low-to-mid 50s. Confidence: Medium

Wednesday promises a stronger warm-up. After morning lows in the 40s, most places should see afternoon highs top out in the 60s. Expect a mix of sun and clouds once more as we stay dry, well to the east of a cold front that looks to bring a risk of rain Thursday or Thursday night. Confidence: Medium

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