The Capitol, Dec. 19. (buoscio nworks via Flickr)

TODAY’S DAILY DIGIT
A somewhat subjective rating of the day’s weather, on a scale of 0 to 10.

5/10: It may be the shortest day, but the sun is on full display — while seasonably cool is the rule.

EXPRESS FORECAST

Today: Partly sunny and calm. Highs: 44-48
Tonight: Clouds increase late. Lows: 28-36
Tomorrow: Partly cloudy early, mostly cloudy late. Highs: 51-55

View the current weather conditions at The Washington Post headquarters.

FORECAST IN DETAIL

The sun may be as low as it gets in the sky today, but at least it is shining brightly. In contrast, clouds and showers dominate the weekend. Southerly breezes take away the chill and 60s are on the table Saturday. The next Arctic surge arrives promptly Christmas morning and, while not likely to be a white one, a few snowflakes could fly by to brighten the mood.

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Today (Thursday): Clouds are scattered throughout much of the day but plenty of sunshine gets through. Highs only reach the mid-to-upper 40s but at least winds are mainly calm. Confidence: High

Tonight: The evening is starlit and calm with increasing clouds later at night. Lows are mainly in the upper 20s to low 30s, but they’ll be in the mid-30s downtown. Confidence: High

Follow us on Facebook, Twitter, and Instagram for the latest updates. For related traffic news, check out Dr. Gridlock. Keep reading for the forecast through the weekend…

Tomorrow (Friday): Sunshine is limited but still makes appearances through midday when clouds begin to increase in earnest. It should remain dry, but a late-day sprinkle can’t be ruled out. Highs reach the low to mid-50s with minimal breezes all day. Confidence: Medium-High

Tomorrow night: Showers become much more likely as the evening progresses. A very light south breeze signals warmer air coming into the area, with lows holding in the low-to-mid-40s. Confidence: Medium

A LOOK AHEAD

Saturday is not kind to last-minute shoppers, with rain showers likely at times throughout the day. On the flip side, temperatures are much more hospitable. Highs should reach the upper 50s, and if the showers take a few breaks, lower 60s are a cinch. Rains should finally taper off after midnight, with lows in the low to mid-40s. Confidence: Medium-High

Colder air spills into the area Sunday, holding temperatures nearly steady through the day. Highs will mainly be in the upper 40s to low 50s. A dreary overcast dominates, so keep those Christmas lights on! Showers are likely to be minimal until the evening, when they should pick back up again and could mix with or change to some wet snowflakes overnight. Lows drop into the 30s as gusty northwest winds increase. Confidence: Medium

Christmas Day (Monday) is blustery and cold with temperatures steady in the 30s. This cold could still squeeze a few snowflakes out in the morning, but accumulation is unlikely and skies clear in the afternoon. Confidence: Medium

SNOW POTENTIAL INDEX
A daily assessment of the potential for at least 1 inch of snow in the next week, on a 0-10 scale.

2/10 (↑): Snowflakes are possible with the Arctic cold front early Christmas Day but accumulation will be hard to achieve. Another flake chance a few days later.