Heat wave snaps with a chance for shower

The pattern will remain a little shaky on Wednesday with mostly cloudy skies and some streaks of sun mixed in. There will be relief from the heat as highs will likely only reach the mid-70s in Greater Boston and slightly warmer west of the coast.

A stalled front to the south will likely spring a few scattered showers during the day, mainly in the afternoon, that will likely be held south of the Mass. Pike. Lows will slip to the mid- and upper 60s with the chance of an isolated shower Wednesday night.

The setup — cooler but still muggy with the chance of a shower

Boston and all of New England will stay on the northern side of the stalled front that will linger over Long Island Sound on Wednesday, setting up a bit of unsettled weather with mostly cloudy skies and the chance for a shower or two to pop up during the day.

Most of the area will stay dry, but with the front hanging out, daytime heating will likely drive some moisture vertically in the atmosphere, resulting in a handful of showers, mainly south of the Pike. At times, some sun will sneak through the clouds.

An unsettled atmosphere will bring more clouds with the chance for a shower across parts of New England.Boston Globe

With the front just south enough, Boston and all of New England will snap the heat and reach the mid- to upper 70s on Wednesday. A slight onshore breeze will be in place, keeping both the north and south shore a touch cooler, likely hardly reaching the mid-70s Wednesday afternoon.

The sun may break through the clouds long enough west of the city to bring temperatures into the low 80s, but that’ll be mainly west of Worcester.

Highs on Wednesday will be mostly in the 70s across the region.Boston GlobeHighs across Southern New England will be cooler by the coast, warmer inland.Boston Globe

Dew points will slip away from the tropical heights of the 70s, but it’ll feelhumid out for the foreseeable future. Dew points will hang out in the upper 60s for the rest of the week.

Dew points will remain elevated for the foreseeable future.Boston Globe

How about we start a new streak for the weekends? Of nice weather! As of now, it looks like a pocket of high pressure will build across Boston and New England to set up a pleasant Saturday and Sunday.

There is a chance for some rain to work into western New England Sunday afternoon, but chances are low at the moment, with scattered showers at best.

Greater Boston: Cooler with more clouds than sun. Highs to the mid-70s with a chance for a light shower. The immediate north and south shores may stay stuck in the low 70s.

Southeastern Mass.: A break in the heat, low to mid-70s under mostly cloudy skies. A chance for a pop-up shower or two.

Central/Western Mass.: Might catch a few more rays of sunshine with a blend of sun and clouds. Highs in the upper 70s and low 80s. Berkshires may see the most sun of all.

Cape and Islands: Mostly cloudy with temperatures reaching the low to mid-70s. A chance for a shower or two. Breeze to about 10 mph.

Rhode Island: A mix of sun and clouds with more clouds in the afternoon. Highs reach the upper 70s and low 80s. A chance for a spot shower.

New Hampshire: Partly sunny skies with highs to the upper 70s. A low chance of an afternoon shower.

Vermont/Maine: Seeing a blend of clouds and sun, with Vermont reaching the low 80s and Maine reaching the mid to upper 70s. Chance for an afternoon sprinkle or spot shower.

A look at the weather across Boston for the next seven days.Boston Globe

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Ken Mahan can be reached at [email protected]. Follow him on Instagram @kenmahantheweatherman.

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