High pressure from the Great Lakes will remain in control today as it slides to our north and it should provide enough protection for us to have a pretty decent weekend with lots of brilliant colors to enjoy on the trees. An area of weak low pressure will push in this direction by Monday (Halloween Day) with some shower activity, but it doesn’t look like a significant rain event.
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A cool front passed through the region on Wednesday night and a cooler, drier air mass will push into the area today on increasing northerly winds. High pressure from the Great Lakes will take control as it slides to our north during the next day or so and it should provide protection here for much of the weekend. An area of weak low pressure could push in this direction by Monday (Halloween Day) with some shower activity late in the weekend and early next week.
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Plenty of moisture remains entrenched in the lower levels of the atmosphere and this will result in one more day featuring plenty of clouds around here and additional light rain/drizzle and some patchy fog. A weakening cool front will cross the region tonight and it’ll have enough strength to produce clearing in the late night hours and the sun should return on Thursday to go along with a noticeable breeze. High pressure is likely to hang on long enough to result in decent weather here on Friday and for much of this weekend, but upstream disturbances could threaten us with some shower activity by early next week.
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Low pressure that formed off the east coast this weekend continues to lift northward at a snail’s pace and low-level moisture will remain abundant for another 24-36 hours. In addition to the clouds today and for the first half of tomorrow, there will be light rain or drizzle and patchy fog across the region. A cool front crosses the area on Wednesday night and sunshine should return on Thursday in the wake of the frontal passage.
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Low pressure that formed off the east coast this weekend will pass by to our northeast today and high pressure will begin to get re-established in the Mid-Atlantic region. Later this week, the chance of showers will increase slightly as another low pressure system will push towards the Great Lakes from the south-central states. This system will swing a cold front in our direction raising the chances at mid-week for a couple of showers.
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Slightly milder air will move into the region today as a light south-to-southwesterly flow of air forms on the backside of a departing high pressure system. Temperatures today will climb to the lower or middle 60’s and then into the upper 60’s on Saturday afternoon with some sunshine on both days. The dry weather of today and tomorrow may not last through the weekend, however, as a coastal low threatens to bring us showers by later Sunday.
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It’ll remain on the chilly side for another 24 hours or so in the DC metro region and then slightly milder air will move in for the weekend as a southwesterly low-level flow forms on the backside of departing high pressure. Temperatures today will likely hold in the upper 50’s for afternoon highs, drop to frosty levels again later tonight, and then reach the middle 60’s on Friday afternoon. Dry weather should prevail into the first half of the weekend, but a coastal low could bring us showers during the second half of the weekend.
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A chilly air mass remains in the Mid-Atlantic region for another couple of days and frost will be possible each of the next couple of late nights/early mornings in many suburban locations. High temperatures both today and tomorrow will likely be confined to the mid or upper 50’s which is below normal for this time of year. Milder weather will push back into the region by the end of the week and the weekend will likely remain on the mild side. However, the weekend may not stay completely dry as a system near the east coast could bring showers to the Mid-Atlantic region during the second half…a bit too early to say for certain.
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Vigorous upper-level low pressure has pushed into the eastern US and with it some of the chilliest air so far this season. Temperatures today and Wednesday will struggle to pass above the middle 50’s for afternoon highs and a frost/freeze is possible during each of the next few late nights/early mornings in some suburban locations. Milder weather will return to the Mid-Atlantic by the time we get to the end of the week and upcoming weekend.
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Vigorous upper-level low pressure will push into the eastern states over the next 24 hours or so and this will result in some of the chilliest air so far this season to the Mid-Atlantic region and Northeast US. As this system pushes east, atmospheric instability will bring us lots of clouds today and perhaps a couple of showers and the colder air mass filters into the region later tonight from the northwest-to-the-southeast. High temperatures for the next couple of days will likely be confined to the lower 50’s which is colder-than-normal for this time of year and frost will be possible in suburban locations during the late night/early morning time periods of Tuesday/Wednesday/Thursday. Looking ahead, noticeably milder weather will return by week’s end and the upcoming weekend.
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