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D.C. area forecast: Substantial warm-up on the way; weekend showers?

Today’s Daily Digit

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

The sun returns, but amidst a steady breeze as we have to wait one more day for warmer air to arrive.

Express Forecast

Today: Partly to mostly sunny, breezy. Highs: Near 40.

Tonight: Mostly clear. Lows: 20s to near 30.

Tomorrow: Mostly sunny. Highs: Near 50 to low 50s.


The high temperature at Reagan National has been 45 or lower since Dec. 7, with the exception of Dec. 15 when D.C. reached 51. After one more cold day today, we finally break out into a several day stretch of highs near and above 50, perhaps even near 70 this weekend. That weekend warmth, however, comes with a decent chance of showers, though no definite washout.

Temperature Map

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

Today (Wednesday): Yesterday’s constant gray is replaced with partly to mostly sunny skies. Meanwhile, temperatures find themselves in a similar spot to Tuesday, with highs heading for near 40. Breezes from the west-northwest around 15 mph add a chill that partially negates any warmth from the sun. Confidence: High

Tonight: We’ve got a chilly one on the way with mostly clear skies, lows in the 20s (perhaps low 20s in the outer burbs) to near 30, and light winds from the south. Confidence: High

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

Tomorrow (Thursday): We start the morning with a lingering chill. But under mostly sunny skies and with a mild breeze from the south-southwest, temperatures warm nicely, all the way to afternoon highs near 50 to the low 50s. Confidence: Medium-High

Snow Potential Index

A daily assessment of the potential for *accumulating* snow for the next week on a 1-10 scale.

0 (↓) Temps on their way to well above freezing for several days. Colder by day 7 but no precip around.

Tomorrow night: Evening temperatures aren’t bad at all, dropping into the 40s. Overnight, we’re partly to mostly clear and a good deal warmer than tonight with lows in the 30s, maybe mid-to-upper 30s for many spots. Confidence: High


Friday should start partly to mostly sunny, and with a continued warm flow from the south-southwest, afternoon highs aim for the upper 50s to near 60. Clouds may increase some during the afternoon with a slight chance of a late-day shower. Friday night we see a 30% chance of a few light showers with mild lows in the 40s. Confidence: Medium

As for the weekend, Saturday brings a 40% chance of showers, but they would probably be light, and a good part of the day may end up dry with pleasant highs in the 60s. Shower chances increase to 50% on Sunday as a cold front approaches from the west, but there are some indications that precipitation may largely hold off until late in the day or at night. Oh, and get this — Sunday highs could flirt with 70. Confidence: Low-Medium

Dan Stillman is a meteorologist and editor for the Capital Weather Gang. He earned an M.S. in Meteorology from Texas A&M University, and a B.S. in Atmospheric, Oceanic and Space Sciences from the University of Michigan.
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Jason Samenow · December 17, 2013

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