Forecast: A new month... same old heat
90s for now but cool down coming; Earl effects?
* Earl Q&A transcript | Hurricane Tracking Center | Reliving Katrina *
* Outside now? Clouds, webcam & more: Weather Wall | UnitedCast *
* No. of 90+ days: 57 (Record: 67, 1980) | Code Orange air quality *
* Post Now: Hurricane Watch issued for Virginia beaches *
updated at 10:25 a.m.
FORECAST IN DETAIL
We just can't seem to buy a "boring" weather month in 2010. September begins just as busy as the rest of the year has been, starting today with what will be the year's 58th 90-degree day and the third straight day of highs in the mid-90s. Next up on our jam-packed weather schedule is Hurricane Earl, who shouldn't bother us here in the D.C. metro area, but is a concern for coastal locations Thursday into Friday. Fortunately, the holiday weekend brings a welcome break in the action with sunshine, cooler temperatures and no rain.
Today (Wednesday): Morning temperatures rise steadily into and through the 70s and 80s. By early afternoon we'll have clinched yet another 90-degree day, and a full day of sun eventually pushes highs to the mid-90s. Humidity may be a little higher than the past couple days, but I wouldn't call it high. Tolerable humidity has been the saving grace of this latest heat wave, plus the fact that summer's got to give it up sooner or later, right? Confidence: High
Tonight: It's another very warm evening with temperatures dropping through the 80s. Skies continue mostly clear and overnight lows end up in the mid-60s (suburbs) to low 70s (downtown). Confidence: High
Keep reading for the forecast through Labor Day...
Tomorrow (Thursday): A cold front moves eastward across the Midwest as Earl begins to track up the coast. Neither should get close enough to bring any significant change to our weather. It's another hot and sunny one with highs in the low-to-mid 90s and humidity mostly unchanged. Confidence: Medium-High
Tomorrow Night: If we were to see any showers and gusty breezes from Earl it would be Thursday night into early Friday as it makes its closest approach to the Delmarva coast. But I dont' think we will. So for now I'm expecting a quiet night with some of Earl's outer cloud bands possibly passing through and lows in the upper 60s to low 70s. It's a different story along the VA/MD/DE coast, where showers and gusty winds are a threat. Confidence: Medium
Friday brings our last chance of hitting or surpassing 90 for at least several days. Partly to mostly sunny skies help highs to near 90 or the low 90s. Clouds increase later in the day, and a few showers are possible Friday night as a cold front comes through and lows settle in the mid-60s to near 70. Confidence: Medium
A pretty fantastic Labor Day Weekend awaits, though probably cooler than what most would consider ideal for the pool or beach. Mostly sunny skies are likely throughout with highs in the upper 70s to low 80s on Saturday and Sunday, and in the 80s on Monday. Note that Saturday could be fairly breezy in the wake of Earl and the cold front, and Saturday night and Sunday night lows should dip all the way down to the 50s in the suburbs to around 60 downtown. Confidence: Medium-High
Headed to the Maryland/Delaware beaches for the holiday weekend? We'll provide a full beach forecast tomorrow, but generally speaking Earl should be out of the picture by late Friday, giving way to a mostly sunny Saturday, Sunday and Monday with highs around average for the first week of September -- in the upper 70s to low 80s. In the water, not as nice with rough seas and rip currents a threat.
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