It’s the final day of July and this means meteorological summer is two-thirds over already! OMG! Despite the 5-day and 7-day heat waves of this month, it will probably end up in Boston’s record book tied with 2010 as the 4th hottest July right behind 2011, the tie of 1952 and 1994 and the hottest ever in 1983. Interestingly, a large percentage of the rest of this nation has experienced cooler than average weather so far this summer. The final local climatological summary for July will be forthcoming tomorrow as the 8th month of the year commences. On average, August high temperatures for Boston start out at 82 and end up on the 31st at 77 degrees. The lows at the beginning are at 66 and decline to 62 degrees at the finish. On average, there are 3 days of at least 90 degrees and 3 days with thunderstorms. The average rainfall is 3.37″ with the max of 17.09″ happening in 1955 associated mainly with 2 tropical cyclones namely Connie and Diane. Last August, the city received slightly below average rainfall with 2 days at least 90 degrees. The depressing statistic is the daylight loss of 78 minutes!

Enjoy this second stellar day which will mimic yesterday’s conditions except for a few minor differences such as the sea breeze which will stall the coastal temperatures in the upper 70s while elsewhere they rise up to near 83 or so. The humidity will continue on the low side and the sunshine will be yielding to fewer clouds. The wind will be lighter supporting a breeze in from the ocean this afternoon at 5-15 mph. The tide will be low at 1pm followed by a high tide at 7:15 pm. Plan on great sleeping conditions again tonight with lows near 66 in Boston and 57-62 in suburbia. Cloudiness will be increasing especially tomorrow afternoon followed by a slug of widespread rain with embedded lightning and thunder in places tomorrow night. Some of the initial showers will arrive in western New England by late afternoon. Up to a half-inch to an inch of rain is anticipated for much of the region. Most of the rain will have fallen by 7am Friday. This wet weather is being generated by an approaching frontal boundary and upper level trough of low pressure which will exit the region late Friday. The departure of these features may be preceded by a brief shower or storm later Friday afternoon to early evening. A mass of drier air will arrive behind this system so the weekend will showcase mainly low humidity with breezy conditions.

Looking ahead to specifics for this weekend and beyond, there will be varying amounts of clouds in a changeable sky of some sunshine across the region. Most of the area should stay dry on Saturday but an upper level disturbance digging into the Northeast will create a higher risk of scattered showers and storms on Sunday. Temperatures will top out in the lower 80s on Saturday with upper 70s to follow on Sunday. Thereafter, a spell of breezy and drier weather will follow next Monday with another round of showers by late Tuesday as another lobe of energy passes through. The temperatures will max out mostly in the more tolerable upper 70s much of next week with similar numbers repeated the following week. Presently, there are no signals of any heat returning to New England through the first half of August and that makes me feel so good.

Joe Joyce will post his blog early this evening and I shall return early tomorrow morning.

Make it a great day!


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