It turns cooler today despite partial sunshine as a low-level flow of air out of the east-to-northeast brings in marine air from the western Atlantic Ocean…all supported by building high pressure over New England. This cool down will intensify over the weekend with both days featuring quite cool conditions, plenty of clouds, and a high risk of some rain. Looking ahead, it appears the wetter pattern that begins this weekend will continue next week as there will be numerous chances for rain.
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A cool front will approach the region later today, but it’ll be lacking in moisture and temperatures ahead of it should climb to unseasonably warm levels and perhaps into record-breaking territory (DCA 91 degrees, IAD 88 degrees…both records set in 2018). It turns cooler on Friday as a low-level flow of air out of the east-to-northeast develops along the I-95 corridor. This cool down will intensify over the weekend with both days featuring quite cool conditions and temperatures likely limited to the 60’s for afternoon highs. In addition, both days will feature plenty of clouds and a high risk of shower activity to go along with those cool conditions. The return of some sunshine on Monday will help to boost temperatures back up into the 70’s as high pressure builds across the Mid-Atlantic region.
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A stalled-out and weakening frontal system can generate another shower or thunderstorm today in the DC metro region before high pressure takes control of the weather for tonight and Thursday. After a mainly clear and cool night, sunshine on Thursday will boost temperatures to the lower 80’s for afternoon highs and it looks comfortably warm on Friday to end the work week. The weekend is likely to turn much cooler and wetter as a cold front approaches the area from the west and there is a low-level flow of air off the ocean.
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The combination of a back door cool front stalled to our northeast and a weakening cold front approaching from our west will increase the chances for showers and thunderstorms from late today into Wednesday. Any thunderstorm that forms can be on the strong side with brief heavy rainfall and small hail. Temperatures climb towards the 85 degree mark this afternoon and will be confined to near 80 degrees on Wednesday and Thursday.
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After a warm frontal passage on Sunday, the warmest air of the season so far will push into the area and afternoon temperatures today should reach the upper 80’s...perhaps even touch 90 degrees in some spots. A cold front approaches the area on Tuesday and its approach will raise the chances of late day and early evening showers and thunderstorms as temperatures climb to the middle 80’s. It stays somewhat unsettled at mid-week with additional showers and thunderstorms possible and highs backing down a bit to the lower 80’s for Wednesday and Thursday afternoons.
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After a chilly start to the day, temperatures today should climb to the lower 60’s for afternoon highs and similar conditions are expected on Saturday. However, by Sunday, a big-time warmup will begin in much of the eastern US and temperatures here will soar into the low-to-mid 80’s as high pressure pushes off the east coast. It turns even warmer on Monday with temperatures climbing into the mid-to-upper 80’s across the DC metro region. A cold frontal system approaches the area late Tuesday, and it could generate showers and thunderstorms in the area.
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A cold front passed through the region on Wednesday and ushered in a chilly air mass that will stick around into the upcoming weekend. Temperatures today will have a hard time reaching the 60 degree mark which is well below-normal for this time of year and are likely to drop back to near 40 degrees in many spots late tonight for the overnight lows.
A big-time warmup, however, is on the way for the eastern US beginning this Sunday after high pressure pushes off the coast. Temperatures on Sunday afternoon are likely to climb to 80 degrees around here and then climb to the upper 80’s on Monday.
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A cold front will slide across the region today bringing with it a few isolated showers, maybe even a rumble of thunder…not at all a significant rain event. The passage of the cold front will usher in another cool air mass to the Mid-Atlantic region for the remainder of the second half of the week. Temperatures are likely to drop to near 40 degrees in some suburban locations by early tomorrow morning and again early Friday morning, and there can be some patchy frost in far N/W outlying areas.
A major temperature pattern change begins later in the weekend with a big-time warm-up for the eastern states. High temperatures around here on Sunday afternoon should be at or slightly above the 80 degree mark and the middle 80’s are likely for Monday afternoon.
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After another chilly start to the day, mainly sunny skies will help to boost afternoon temperatures to near 70 degrees for afternoon highs. A cold front will slide across the region on Wednesday tomorrow bringing with it a few showers, maybe a thunderstorm, but not a significant rain event. The passage of the cold front will usher in another chilly air mass to the Mid-Atlantic region for the second half of the week. Temperatures are likely to drop into the 30’s in many suburban locations by early Thursday morning and again early Friday morning and there can be some more in the way of patchy frost.
A major temperature pattern change begins later in the weekend with a warm-up for the eastern states. High temperatures around here on Sunday afternoon should be near the 80 degree mark and 85 degrees is possible on Monday.
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There have been occasional cold air outbreaks from Canada into the Northeast US and Mid-Atlantic region during the month of April and this week will be no exception. In fact, low temperatures this morning were in the 30’s across many suburban locations along the DC-to-Philly-to-NYC corridor with scattered frost in some areas. Another chilly air mass will push into the northeastern states at mid-week following the passage of a strong cold front and early Thursday morning is likely to feature more low temperatures in the 30’s with patchy frost again on the table.
Next week, however, will feature a big-time warmup across the eastern half of the nation coinciding pretty well with the transition from April into May. Temperatures can climb well up into the 70’s by Sunday afternoon in places like DC, Philly, and New York City and 80+ degrees is possible for highs on Monday and the upcoming pattern change will result in far less frequent outbreaks of chilly air from Canada into the US.
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