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New England Weather This Week: Tranquil

This week will feature a sprawling area of high pressure slowly crossing New England. This will bring the region chilly mornings, warm afternoons, plenty of sun and no humidity to speak of. All tranquil weather must come to an end eventually, and this looks to be the case for New England heading into the weekend.


MONDAY-THURSDAY


Most of this week will be dominated by an expansive area of high pressure sliding across the northern tier of the United States. This system will be to New England's west through Tuesday, crest overhead around midweek and slide offshore by late week. This will bring New England dry weather with plenty of sun.


Weather maps for Monday through Thursday, showing the sprawling high sliding through the northeast:


This high pressure will keep New England on the cooler side, especially earlier in the week, as a northwest flow around the high pressure system keeps Canadian air flowing into the region. A warm-up will ensue around midweek as the flow turns more southerly on the backside of the high, but temperatures will still remain around seasonable levels with the 70s dominating all week.




With high pressure nearby or overhead this week, conditions will be primed for radiational cooling with clear skies, light winds and very low dew point levels. This will allow temperatures to really bottom out, with morning lows dropping into the 40s for most of the region (city centers and the coast will likely stay in the 50s). The first frost advisory of the season for New England has been issued for the Northeast Kingdom of Vermont. Temperatures in the region's cold spots may drop into the 30s early this week.



The first week of meteorological fall will really be feeling like early fall with cool, crisp mornings, warm, sunny afternoons and no humidity to speak of. Dew points will be hovering around 40s for most of New England this week, with some areas dropping to the 30s on Tuesday. Dew points will increase slightly heading toward late week on the back side of the high, but still remain below what most would consider to be humid.




FRIDAY & WEEKEND


While New England sits under high pressure this week, a trough will dig into the Great Lakes around midweek. This will develop a closed low pressure system that will likely slide eastward toward the northeast late this week. How the end of the week looks for New England will depend on the timing and evolution of this system. As of now, Friday is looking to be another dry day with the system swinging into New England for the weekend.


While the timing of this system is uncertain right now, a period of wet, unsettled weather will be likely at some point late this week and into the weekend. Again, Friday is looking dry for all of New England, but the system will be on the approach, so trends will need to be watched. Current trends have much of New England seeing the main batch of rain Saturday and/or Saturday night.


Weather map for Saturday morning:


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