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Gradual Warming Trend in Progress for Mid Week

Matt Ross @ 9:30 AM

After averaging 9 degrees below normal over the last 3 days, temperatures will warm to more seasonably cool conditions for mid week. Currently the weekend looks warm and dry.

Today and Tonight

Sunny, Beautiful. Today will be mostly sunny with a light easterly breeze. Afternoon highs will be warmer, but still a bit below normal with highs in the low to mid 70s. Tonight will be clear and cool with overnight lows dipping to the upper 40s to mid 50s.


Forecast Confidence: HighClear, A Bit More Humid. Wednesday will again be sunny and delightful. A tad more humid than the last few days, afternoon highs will be near normal in the mid to upper 70s. Refer to Jason's forecast for the rest of the week and weekend.

A fairly strong high pressure area over northern New England will be responsible for dry conditions and an ENE flow over the next couple days. Courtesy of Accuweather.

Climatology Notes

Despite a blazing start to September, the cool air mass of the last few days has eaten away at the positive departures accumulated over the first 2 weeks of the month. Through yesterday we are now only running 1 degree above normal for the month. It is too early to say how the month will finish, but 4 out of the last 5 Septembers finished at or above normal (2006 was the lone exception).

As Steve mentioned yesterday, water restrictions are being put in place in some of our southern and western suburbs. This isn't surprising as we haven't had an above normal month of precipitation since April, and we are running at only 75% of normal year to date, with the southern and western suburbs even drier (Dulles is 60% of normal to date for 2007).

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