An absolute stunner of a day is on tap Tuesday as a strengthening low-pressure system accelerates away from New England while quickly helping pull in high pressure to set up a great day across Boston. It will be a little hotter than usual, though, with highs in the upper 80s with a chance to hit 90. You can expect mostly clear skies with sinking air keeping cloud coverage at bay.
And you’ll quickly notice the air being quite comfortable when you step out the door. This airmass will pack some welcomed dry air as high pressure builds, marking the first day since June 16 that dew points are below 60 degrees. Typically, you expect cooler temps with a passing cold front, especially with air coming from the northwest.
However, a pocket of warm air aloft will sink to the surface with this setup — combine that with plenty of clear skies for maximum sunshine, then you’re looking at temperatures reaching the upper 80s today. Advertisement The winds should stick below 10 miles per hour for much of the day and slowly shift from the northwest to the west, keeping the dry, comfortable air funneling across the region through sunset. A quick change in patterns will introduce an even warmer day on Wednesday, with the chance to break 90 degrees across Boston, as another system approaches from the west and reintroduces a southwesterly flow.
There’s a chance for evening showers and thunderstorms after a mostly dry day. Southern New England: Much of the area will see mostly sunny skies wi.
