The morning starts mostly clear with cool temperatures in place across Greater Boston and most of New England. Commuting temperatures will widely range from the low to mid-60s. If your day starts around 6 or 7 a.m., you may be commuting in the upper 40s north and west of the city.
The afternoon will see mostly sunny skies with a few clouds pushing through at times. Highs will reach the upper 70s across Boston.
The evening stays mostly clear with lows dipping to the low 60s across Greater Boston and into the 50s west of I-95.
The setup — some sun, some clouds
Surface high pressure with an upper-level disturbance will continue to keep cool, dry air locked in. Greater Boston and most of the region will see partly to mostly sunny skies ebb and flow throughout the day.
There will be a subtle warm front passing through the region, but there won’t be that much change in temperature or humidity on Thursday. The associated cold front, with a system passing along the Canadian border, won’t arrive until Friday morning, so Thursday will likely stay dry for all of New England.
The jet stream is making a U-shape around the Northeast quadrant of the country, a sign that high pressure is locked over the region for at least one more day, with cooler, dry air held over New England.
Dew points will continue to stay very low on Thursday across Boston, and really all of New England.
Friday delivers our next chance for rainfall across the region as a cold front squeezes some humidity into the region, bumping up dew points to the low 60s.
Labor Day weekend forecast
Friday looks like the “active” weather day this week. A weak cold front will draw in some moisture, spurring scattered showers across New England, with some spots tallying a half inch of rain. The timeline shows morning showers hitting Western New England before pushing toward Boston in the early afternoon and lasting through the early evening.
After some lingering showers Saturday morning, the rave is on to celebrate summer coming to a close. Mostly sunny skies are expected across Boston and nearly all of New England starting Saturday afternoon and lasting through Monday. Daily highs will reach the mid-70s.
Greater Boston: Partly to mostly sunny skies with highs to the upper 70s. Light southwest wind under 10 mph. Mid-70s along the North and South Shores.
Southeastern Mass.: Mix of sun and clouds, a couple more afternoon clouds. Highs in the mid-70s.
Central/Western Mass.: Mostly sunny after patchy morning fog. Highs in the mid-70s, low 70s in the Berkshires.
Cape and Islands: Mostly sunny with some afternoon clouds. Highs in the low to mid-70s. Breeze around 10 mph or less.
Rhode Island: More sun than clouds. Highs in the mid-70s. Slight southwest breeze under 10 mph.
New Hampshire: Sunny start with a few more clouds in the afternoon. Highs in the mid- to upper 70s.
Vermont/Maine: Partly to mostly sunny. Highs in the mid- to upper 70s. Some patchy fog in the morning.
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Ken Mahan can be reached at ken.mahan@globe.com. Follow him on Instagram @kenmahantheweatherman.
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