D.C. area forecast: Heat peaks before Karen moisture heads toward Shutdown City

October 4, 2013

Today’s Daily Digit

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

7
Too warm and too muggy for fall. Some clouds hide the earlier-setting sun. Meh!

Express Forecast

Today: More clouds than sun, very warm. Shower? Highs: Low-to-mid 80s.

Tonight: Partially cloudy, light breeze. Lows: Low-to-mid 60s.

Tomorrow: Mainly sunny, very warm. Highs: Mid-to-upper 80s.

Sunday: Slowly increasing clouds. Highs: Mid-80s.

FORECAST IN DETAIL

Our stuck-on-repeat weather is turning even warmer, with 80s plentiful through the weekend. The question is Karen’s possible interaction with an approaching cold front at the very end of our weekend. It should mean rain for the start of our workweek, but uncertainty abounds about specifics.


Clouds: Latest mid-Atlantic infrared satellite shows movement of clouds over past two hours. Refresh page to update. See more maps on our Weather Wall.

Today (Friday): Sunshine should win half of the battles against clouds, but it may be cloudy at times. Light (5-10 mph) breezes out of the west-southwest aid our atmospheric warming efforts, but keep us humans a tad bit refreshed. High temperatures may again get a bit toasty, in mainly the mid-80s with some mugginess. Also a 5-10% chance of a shower (omitted earlier). Confidence: Medium-High

Tonight: I worry some cloudiness could hang around during evening hours, but it may not last all night. Low temperatures just prior to sunrise should bottom out in the low-to-mid 60s. Light northwesterly breezes (5-10 mph) might persist through most of the night, but not too noticeably. Confidence: Medium-High

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

Tomorrow (Saturday): Likely summery with mostly sunny skies, medium levels of humidity, and solid (too much?) warmth in the mid-to-upper 80s. Breezes remain light and vary from the northerly direction early, shifting more southerly as we get through the day. Confidence: High

Tomorrow night: Skies remain somewhat clear, but a few clouds moving through could block a few stars from time to time. Low temperatures range, most likely, in the low-to-mid 60s. Confidence: Medium-High

Sunday: It’s warm again, into the mid-80s at least. But, some high clouds do threaten to take away a bit of the afternoon sunshine. They may only be high thin clouds at this point, it appears. Clouds are courtesy of an approaching cold front from the Midwest. Meanwhile, tropical moisture from Karen slowly starts streaming north from the Gulf Coast. Toward us? That is the question. We are more confident in higher humidity and gusty southerly breezes. Confidence: Medium

A LOOK AHEAD

Sunday night: Clouds increase overnight, turning sky conditions mostly cloudy. It’s possible showers (50% chance) are also incoming, especially after midnight. Low temperatures are likely in the muggy upper 60s downtown, some low 60s possible in the typically ex-urban cool spots. Confidence: Low-Medium

Monday’s weather is dependent on the track of Karen. If its remnants and a cold front time their approach to our region concurrently, we could get some needed rain (70% chance). However, uncertainty remains if we see just showers or several periods of rain (leaning latter). The front could still scoot through quickly, keeping the heaviest away. High temperatures in the upper 70s appear probable, but if the day turns out drier and sunnier, lower 80s are in play. Confidence: Low

Tuesday may still have some showers or a couple periods of rain. Sky conditions are likely not going to be too sunny even if not, with at least a mix of clouds. Check back to see what level of precipitation (if any) we are expecting for Tuesday. High temperatures should still get into the 70s, even with some clouds. It may be a tad muggy still, too. Confidence: Low

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A. Camden Walker · October 4, 2013