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Dave Epstein

Weekend forecast for Greater Boston: April showers bring . . . May showers

Pedestrians with umbrellas walked by tulips beginning to bloom during a light morning rain in the Boston Public Garden.
Pedestrians with umbrellas walked by tulips beginning to bloom during a light morning rain in the Boston Public Garden. (Jonathan Wiggs /Globe Staff)

It’s now May, and temperatures across the southern part of the United States are really heating up, with some areas reaching the 90-degree mark. It’s hard to believe if you drove just a couple of hours south of Boston, you’d find readings well into the 70s over the next few days. It’s that contrast between the cool air we have over us and the warmer air not too far away that’s going to once again plague the region with clouds and precipitation into the weekend.

Temperatures will be 30 degrees warmer near New York City on Thursday.
Temperatures will be 30 degrees warmer near New York City on Thursday.(COD Weather)

April saw more than 6 inches of rain with 21 calendar days with measurable precipitation, the most ever in any month. As a side note, part of that was because several precipitation events straddled the 11 p.m. to 1 a.m. time frame. Therefore, one rainstorm counted for two days. Nevertheless, the end of April was particularly cool and damp.

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An area of precipitation Thursday and Friday will stay mainly to the north of Boston. This means that although you’ll see a lot of clouds, I’m not expecting a lot of rainfall. Temperatures are going to be cool, however. The morning commute could see a few showers with just leftover drizzle thereafter.

The weekend looks like a split decision. Saturday should be dry with seasonably mild temperatures. If we can hang on to a blend of clouds and sunshine, readings should get into the mid-60s.

The question comes Sunday with how much rain we receive. It looks as though there will be a significant area of precipitation associated with the storm moving to our south. The track of this will determine whether we get a little bit of light rain or we get a soaking rain. Because this is still five days away, there’s the chance that either scenario could occur, but it’s unlikely we’ll have a bright and sunny day.

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The track of low pressure in Pennsylvania this weekend determines how much rain we receive Saturday night and Sunday.
The track of low pressure in Pennsylvania this weekend determines how much rain we receive Saturday night and Sunday.(Tropical Tidbits)

It does look like it will dry out for early next week; however, the overall pattern still is not conducive to extended warmth or extended dry weather. Spring in New England is often cool and wet or warm and dry, and this year we know which side of the coin we are on.


Follow Dave Epstein on Twitter @growingwisdom.