Vencore Weather
2Oct/14Thu

7:00 AM | Weather looks good for tonight’s Orioles playoff opener and rain associated with the next strong cold front could hold off until after the Nats opener on Friday night

6-Day Forecast

Today

Becoming partly sunny after morning clouds with a touch of drizzle possible early, cool, highs in the mid 70’s

Tonight

Mostly cloudy, cool, maybe some drizzle late, lows near 60 degrees

Friday

Partly sunny, becoming breezy, cool, mid 70’s

Friday Night

Cloudy with periods of rain mainly after midnight, maybe a thunderstorm, breezy, cool, near 60

Saturday

Clouds and lingering showers early then becoming partly sunny, breezy and cool, upper 60’s

Sunday

Mostly sunny, quite cool, highs not far from 60 degrees

Monday

Mostly sunny, still cool, but milder than Sunday, near 70

Tuesday

Partly sunny, cool, near 70

Discussion

The weather looks quite good for tonight's Orioles playoff opener in Baltimore and rain associated with the next frontal system could hold off tomorrow night until after the Nats playoff opener. A powerful cold front is barrelling towards the east coast and it will be an important event in the typical autumnal transitional process of "stepping down" in temperatures from summer-to-winter. The month of September ended on Tuesday with high temperatures flirting near the 80 degree mark along the I-95 corridor and last weekend featured temperatures in the low-to-mid 80's - it'll be quite a challenge to see those kinds of high temperatures for quite awhile behind this front.

The upcoming frontal system will be mainly a "midnight-to-mid-morning" event around here from late tomorrow night into early Saturday with the threat for some heavy downpours and a possible thunderstorm. Slow clearing will hold off until later Saturday and it’ll occur from southwest-to-northeast in the Mid-Atlantic region (i.e., DC clears out well before NYC) as much cooler air pours into the area. Sunday will feature temperatures way below normal for early October and the cool weather pattern will continue on Monday and Tuesday although it won't be as chilly as it'll be on Sunday.

Video

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1Oct/14Wed

1:30 PM | “Season-changing” type of frontal passage late Friday/early Saturday

500mb_fcst_NAM

Discussion

A powerful cold front is barreling towards the east coast and it could be a “season-changer”. The month of September ended yesterday with high temperatures flirting around the 80 degree mark along the I-95 corridor and last weekend featured temperatures in the low-to-middle 80’s from DC-to-Philly-to-New York City. It’ll likely be a real struggle to see those kinds of temperatures again this fall season - at least for a sustained basis - following the passage of the approaching strong cold frontal system.

The upcoming frontal system will bring with it the threat for downpours late Friday night and early Saturday along with embedded thunderstorms and gusty winds and it will be supported by vigorous upper-level energy (see forecast map). In fact, the upper level trough associated with the front will become “negatively-tilted” (i.e., oriented northwest-to-southeast) and this will lead to intensification and a "slowing-down" of its eastward movement. Slow clearing will likely hold off until later Saturday and it’ll take place from southwest-to-northeast (i.e., DC clears out well before NYC) as much cooler air pours into the Mid-Atlantic region. Sunday will feature temperatures way below normal for early October and the cool weather pattern will continue early next week - no low-to-middle 80's in sight.

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1Oct/14Wed

7:00 AM | *Strong cold front at end of week to bring numerous showers and possible thunderstorms to the region*

6-Day Forecast

Today

Mostly cloudy with a little light rain or drizzle during the morning hours, partial sunshine this afternoon, a bit cooler than yesterday, highs in the mid 70’s

Tonight

Mostly cloudy, cool, patchy fog possible late, lows in the upper 50’s

Thursday

Partly sunny, cool, mid 70’s

Thursday Night

Mostly cloudy, cool, patchy fog and drizzle possible late, upper 50’s

Friday

Partly sunny, becoming breezy, cool, low-to-mid 70’s; showers and possible thunderstorms at night

Saturday

Early morning clouds and lingering showers give way to afternoon clearing skies, cool, mid-to-upper 60’s

Sunday

Mostly sunny, quite cool, low-to-mid 60’s

Monday

Mostly sunny, still cool, upper 60’s

Discussion

A weak cool front pushed through the area yesterday, but it is still close enough today to produce a few scattered showers in the Mid-Atlantic region. High pressure will take control of the weather around here by tomorrow, but then attention shifts to our west at the end of the week as a strong cold front barrels towards the east coast. That strong front will generate periods of rain around here Friday night and early Saturday with possible embedded thunderstorms and gusty winds. Much cooler air floods the Mid-Atlantic region for the second half of the weekend and highs on Sunday will be well below normal for this time of year.

Video

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30Sep/14Tue

7:00 AM | Weak cool front works its way through the region…strong cold front arrives at end of week

6-Day Forecast

Today

Becoming partly sunny after early clouds and patchy fog, warm, cannot rule out a shower or two, highs near 80 degrees

Tonight

Mostly cloudy with the chance for showers, turning cooler late, lows in the upper 50’s

Wednesday

Partly sunny, a bit cooler, cannot rule out a shower or two, mid 70’s

Wednesday Night

Mostly cloudy, cool, upper 50’s

Thursday

Partly sunny, cool, low-to-mid 70’s

Friday

Partly sunny, breezy, cool, good chance for late day and nighttime showers. maybe a thunderstorm, mid 70’s

Saturday

Becoming mostly sunny, cool, upper 60’s

Sunday

Mostly sunny, cool, mid 60’s

Discussion

A weak cool front will slide across the region later today giving us the chance for a few showers into the day on Wednesday along with an isolated thunderstorm or two - this will not be a heavy rain event. High pressure will build into the region on Thursday before a strong cold front approaches late in the day on Friday. That next front is likely to generate numerous showers as we close out the work week and maybe a thunderstorm or two. Much cooler air will arrive for the weekend following the passage of the strong cold frontal system.

Video

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