D.C. area forecast: Fairly nice Sunday gives way to a few days of gray

May 5, 2013

10:15 a.m. Update: Morning clouds have been slow to break up and we may end up on the cloudier side of the forecast (partly sunny rather than mostly sunny). That might hold highs down a few degrees in the low 60s, though with enough breaks in the clouds mid-60s is still reachable.

Today’s Daily Digit

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

8
Decent sun and a few degrees cooler than yesterday. Not perfect but hard to complain.

Express Forecast

Today: Partly to mostly sunny. Mid-60s.

Tonight: Increasing clouds. Mid-40s to near 50.

Tomorrow: Mostly cloudy. Chance of showers or drizzle. Low-to-mid 60s.

FORECAST IN DETAIL

Temperature Map

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

We’ve got another fine day in store with a fair amount of sun and comfortable, but below-normal temperatures.  Get out and enjoy it while you can because it won’t last.  A large, slow-moving area of upper-level low pressure to our southwest starts to affect our region tonight, and by the time we wake on Monday most everything turns gray.  Shower chances and a general weather malaise take over through midweek as temperatures remain on the cool side.

Today (Sunday): If you liked yesterday, you’ll probably like today as well, though it should be a few degrees cooler.  Any morning cloud cover looks quick to mix out, with partly to mostly sunny skies prevailing for the balance of the day. Highs top out in the mid-60s with a chance for increasing clouds later in the afternoon and a light breeze from the east around 10 mph. Confidence: Medium-High

Tonight: Skies turn partly to mostly cloudy, but most should stay dry besides the chance for a shower in the far southwestern suburbs toward dawn. Winds from the northeast and an approaching system from the southwest could combine to create some pre-dawn fog/mist.  Lows are insulated a bit by the clouds, but still reach a cool mid-40s to near 50. Confidence: Medium-High

How long do we stay in the gray?  Keep reading for the forecast through the midweek…

Tomorrow (Monday): Ugh, Monday.  Everything turns gray as we go back to work.  Figures, right?  Expect lots of clouds through the day. And while I don’t think we’ll see a whole lot of steady rain, if any, there’s at least the threat of some drizzle or mist, and a 30-40% chance of light afternoon showers especially south and west of D.C. We’ll see highs manage the low-to-mid 60s. Confidence: Medium

Tomorrow night: More of the same, as a thick blanket of clouds threatens a 50% chance of mainly light showers, and perhaps some drizzle and fog.  Nighttime lows reach the low-to-mid 50s. Confidence: Medium

A LOOK AHEAD

When did we move to London?  This system isn’t going anywhere fast, and Tuesday features another mainly gray day with a decent chance (50-60%) for periodic showers. It’s the kind of day that could be good for the grass with nothing too heavy, but perhaps enough to forgo the sprinkler. Highs should reach the mid-to-upper 60s, with a continued chance of showers and drizzle Tuesday night as lows settle in the 50s. Confidence: Low-Medium

The way Wednesday looks now, we’re still not free of this pesky system. Clouds hang around and shower chances stay up around 60% as the storm center moves by off the coast.  Temperatures aim once again for highs in the mid-to-upper 60s. Confidence: Medium

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Ian Livingston · May 4, 2013