Author: wxmanscottk

Weekly Outlook: September 22-28, 2025

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Summer officially ends at the Autumnal Equinox at 2:19 this afternoon, but summer-like weather will continue beyond that.

Astronomical Fall begins with the Autumnal Equinox at 2:19pm today. Image provided by EarthSky.org

High pressure remains in control for today and part of Tuesday, keeping us dry, as has been the case for much of the summer. After a cool weekend, temperatures will start to moderate a bit today, but Tuesday will be rather warm and somewhat humid, with many locations likely topping 80. Clouds will start to move in during the day as a frontal system approaches the region. This will bring in some showers and possibly some thunderstorms late in the day and at night. As the front slows down, a wave of low pressure will ride along it on Wednesday, bringing in some additional showers along with much cooler temperatures. We do need the rain, and some models show the potential for some very beneficial amounts. However, for the most part, they have overestimated rainfall with several recent systems, plus there’s an old adage that usually holds true when talking about rainfall forecasts during a drought – “When in Drought, Leave it Out”. So, even though Wednesday will be a cool and damp day, it’s likely not going to be the widespread heavy rain that we need.

Temperatures could top 80 in many areas on Tuesday. Image provided by weathermodels.com.

High pressure builds in for Wednesday night and early Thursday with some drier air, but it won’t last long. An upper-level low pressure system and its surface reflection over the Great Lakes will start to slowly move into southeastern Canada toward the end of the week. The models are all over the place with the timing and strength of this system, but it looks like a second period of rainfall is expected possibly starting as early as Thursday afternoon, continuing into Friday night or possibly Saturday. Temperatures on Friday could be tricky. Several models show the system sending a warm front across the region, so even though we’re expecting more showers, temperatures could get well into the 70s. Of course, if the front gets hung up south of New England, temperatures may stay stuck in the 60s. We’re leaning towards the warmer scenario for now, but it is far from a lock. The system pulls away on Saturday then high pressure builds back in with drier air for Sunday.

Many models show the potential for a decent amount of rain between our two systems this week. Images provided by Pivotal Weather.

Monday: Partly to mostly sunny. High 68-75.

Monday night: Clear skies during the evening, becoming partly cloudy overnight. Low 54-61.

Tuesday: A mix of sun and clouds through midday, then clouds thicken up in the afternoon with some late-day showers and thunderstorms develop. High 76-83.

Tuesday night: Cloudy with showers likely. Low 58-65.

Wednesday: Cloudy and cooler with more showers. High 66-73.

Wednesday night: Mostly cloudy, showers ending in the evening. Low 54-61.

Thursday: More clouds than sun, showers may redevelop in the afternoon. High 64-71.

Thursday night: Cloudy with showers likely. Low 55-62.

Friday: Mostly cloudy with additional showers, mainly in the morning. High 70-77.

Saturday: Morning clouds and a few showers across the Cape and Islands give way to some afternoon sunshine. High 70-77.

Sunday: A mix of sun and clouds. High 68-75.

Weekend Outlook: September 19-22, 2025

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Astronomical Summer ends on Monday, and the final weekend of summer will feature quiet but cooler weather.

Drought conditions continue to worsen across the region. Image provided by the National Drought Mitigation Center.

Skies clear out tonight as low pressure pulls away from the region, setting us up for a rather nice day on Friday. A cold front will cross the region with just a few clouds accompanying it, but ahead of it temperatures will get well into the 70s, with 80s in some spots. High pressure builds in with much cooler conditions for Friday night and Saturday. Saturday night will be rather chilly, with some of the normally colder spots dropping into the 30s. As the high slides off to the east temperatures will slowly moderate for Sunday and Monday with sunshine continuing. Summer officially ends and Fall begins on Monday at 2:19pm with the Autumnal Equinox.

Sunday morning could be on the chilly side. Image provided by weathermodels.com

Thursday night: Clear skies. Low 55-62.

Friday: Sunshine and a few clouds. High 72-79.

Friday night: Clear and cooler. Low 44-51, milder in urban areas and right along the coast.

Saturday: Plenty of sunshine. High 63-70.

Saturday night: Clear and chilly. Low 40-47, milder in urban areas and right along the coast

Sunday: Partly to mostly sunny. High 64-71.

Sunday night: Clear to partly cloudy. Low 45-52.

Monday: Mostly sunny. High 69-76.

Weekly Outlook: September 15-21, 2025

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We’re not going to get much, if any, relief for the drought this week across the majority of the region, but temperatures should remain comfortable.

Over the past 90 days, rainfall totals across the region are roughly 2-5 inches below average normal. Image provided by WeatherBell.

We start the week off with high pressure in control, giving us a couple of dry and warm days for Monday and Tuesday, with a seabreeze keeping coastal areas a little cooler, especially today. Wednesday and Thursday are the days with the most uncertainty at this point. We’ll still have high pressure to the north, but a low pressure area will be passing offshore. This will send in some clouds, but similar to last week’s system the question is how far north the rain shield will get. Some models keep it all offshore, several bring it up to the South Coast, some bring in farther inland. Given then the models overestimated how far inland it would get with the system last week, we’re inclined to think that the rain probably won’t get much farther inland than the South Coast, with most of it falling Wednesday night into early Thursday. The system pulls away later Thursday, then a cold front drops down from the north on Friday. The models show most of the rain with the front drying up before it gets here, so the front should move through with little fanfare on Friday. Behind it, high pressure returns with much cooler air on Saturday, though temperatures should start to moderate a bit on Sunday.

Most of the models keep what little rain we’re expecting close to the South Coast late Wednesday into Thursday. Images provided by Pivotal Weather.

Monday: Areas of morning fog, otherwise partly to mostly sunny. High 71-78, a little cooler along the coast.

Monday night: Partly cloudy, areas of fog developing. Low 50-57.

Tuesday: A mix of sun and clouds. High 70-77, a little cooler along the coast.

Tuesday night: Partly to mostly cloudy. Low 50-57.

Wednesday: More clouds than sun, chance for a few showers, mainly near the South Coast. High 69-76.

Wednesday night: Partly to mostly cloudy, chance for a few showers near the South Coast. Low 54-61.

Thursday: Morning clouds, maybe a shower near the South Coast, becoming mostly sunny during the afternoon. High 75-82, a little cooler across Cape Cod.

Thursday night: Mostly clear. Low 55-62.

Friday: Partly to mostly sunny. High 76-83.

Saturday: Plenty of sunshine, cooler. High 63-70.

Sunday: Mostly sunny. High 65-72.

Weekend Outlook: September 12-15, 2025

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We’ve got a couple of very nice days coming up across the region.

Average high temperatures for mid-September are in the lower to middle 70s. Image provided by Weathermodels.com

A weak cold front moves through this evening with little fanfare, then high pressure builds in with sunshine and cooler temperatures for Friday and Saturday. An upper-level disturbance moves through on Sunday with some showers likely, especially in the afternoon. Monday is a bit of a tricky forecast. Some models showed an upper-level low pressure area hanging around with more clouds and possibly some additional showers, but more recent trends have been for high pressure to build back in with drier weather.

The showers on Sunday will not make much of a difference for the ongoing drought. Images provided by Pivotal Weather.

Thursday night: Evening clouds, then becoming clear. Low 52-59.

Friday: Plenty of sunshine. High 67-74.

Friday night: Clear skies. Low 47-54.

Saturday: Morning sunshine with some afternoon clouds. High 70-77.

Saturday night: Partly cloudy. Low 52-59.

Sunday: Intervals of clouds and sun with some showers likely in the afternoon. High 71-78.

Sunday night: Any showers end in the evening, clearing overnight. Low 52-59.

Monday: Partly to mostly sunny. High 69-76.

Weekly Outlook: September 8-14, 2025

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Much of the upcoming week will be dominated by quiet and cool weather thanks to a large high pressure area.

Temperatures will be several degrees below normal for much of the week. Image provided by WeatherBell.

The cold front that produced severe weather on Saturday and a cool but beneficial rainfall on Sunday has pushed offshore and high pressure will build in bringing drier air in along with temperatures that are below normal for today and Tuesday. Things could get a little complicated for part of the region for Wednesday. An area of low pressure will pass well offshore, but the precipitation shield around the edge of the system could get close to parts of the South Coast, possibly even a little farther northward. However, the high to the north looks like it may remain strong enough to keep most of the rain offshore, so we’re going to lean towards a dry forecast for now. High pressure returns for the end of the week and start of the weekend. A cold front will move through with little fanfare on Sunday, keeping us dry.

An offshore system may produce some rain across Cape Cod and the South Coast, or maybe it won’t. Images provided by Pivotal Weather.

Monday: Partly sunny. High 66-73.

Monday night: Clear to partly cloudy. Low 47-54.

Tuesday: Sunshine and some afternoon clouds, breezy near the coast. High 66-73.

Tuesday night: Partly to mostly cloudy. Low 49-56.

Wednesday: Intervals of clouds and sun, chance for a few showers near the South Coast and Cape Cod. High 65-72.

Wednesday night: Any showers end in the evening, becoming partly cloudy to clear. Low 50-57.

Thursday: Mostly sunny. High 73-80.

Thursday night: Clear skies. Low 50-57.

Friday: Sunshine and a few clouds. High 65-72.

Saturday: Mostly sunny. High 66-73.

Sunday: A mix of sun and clouds. High 68-75.

Weekend Outlook: September 5-8, 2025

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Even though the calendar says September it’s still astronomical summer, and it will feel like it for the next few days.

Dewpoints will be near or over 70 Saturday afternoon. Image provided by WeatherBell.

After a strong of rather nice days changes are on the way. A warm front will cross the region tonight, possibly accompanied by a few showers before daybreak on Friday. Once the front lifts northward, we’ve got warm and humid weather on the way for much of Friday and Saturday, with temperatures getting into the 80s along the coast, and dewpoints creeping back into the 60s or even lower 70s. For the most part it will be mostly sunny on Friday after the clouds move out in the morning, with some patchy fog Friday night. During the day on Saturday we’ll see clouds start to move back in ahead of an approaching cold front. The trend in the models recently has been to slow down this front, so for now, it looks like we’ll stay dry for most of the day Saturday. Some showers and thunderstorms will start to move in towards evening from west to east, with showers likely during the overnight hours. Sunday’s forecast is a little uncertain at this point. The showers should end during the morning, but some models continue to slow down the front with the showers not ending until afternoon from Boston southward, and possibly not until Sunday evening near the South Coast and Cape Cod. This will have an impact on temperatures as well, since the longer it rains, the less chance temperatures will warm up in the afternoon. With the Patriots season opener kicking off in Foxborough at 1:00 PM, any rain could impact not only playing conditions to start the game, but also tailgating beforehand. The front should push offshore at night, with high pressure building in for Monday with cooler and drier weather.

Most of the models aren’t forecasting a lot of rain for the weekend, but every little bit helps to fight the drought. Images provided by Pivotal Weather.

Thursday night: Increasing clouds, chance for a few late-night showers. Low 58-65.

Friday: Morning clouds, maybe a shower, then becoming partly to mostly sunny, breezy, and humid. High 78-85.

Friday night: Clear to partly cloudy, a little patchy fog may develop. Low 62-69.

Saturday: A sunny start, then clouds move in during the afternoon, showers and thunderstorms possible late in the day well north and west of Boston, breezy. High 81-88, cooler near the South Coast and Cape Cod.

Saturday night: Cloudy with showers and thunderstorms likely. Low 57-64, possibly a little warmer across southeastern Massachusetts and Cape Cod.

Sunday: Showers gradually ending from northwest to southeast, some late-day sunny breaks develop well north and west of Boston. High 67-74.

Sunday night: Gradual clearing. Low 50-57.

Monday: Partly to mostly sunny. High 68-75.

Weekly Outlook: September 1-7, 2025

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Happy Labor Day and welcome to September. It marks the unofficial end of summer and the official start of meteorological autumn. College football is underway, the pros start this week, hockey training camps start up in a couple of weeks, pumpkin everything is available everywhere, and after a cool August, warmer weather will return for a few days this week.

Temperatures were below normal across much of the Northeast during August. Image provided by the Northeast Regional Climate Center.

High pressure will keep us dry for the first half of the week, likely right into Thursday, but with an upper-level low nearby, we’ll still have some afternoon clouds each afternoon. Temperatures will be close to normal for early September to start the week, but as the high slides offshore, southwest winds will bring warmer and eventually more humid air in towards Wednesday and Thursday. A slow-moving cold front will move in Thursday night, with some showers and a few thunderstorms likely on Friday. With the front taking its time, Saturday may also be a warm and humid day, with the potential for some additional showers or thunderstorms, depending on when the front actually moves across the region. High pressure should build in behind the front for Sunday with cooler and drier weather, just in time for the Patriots home opener in Foxborough.

We’re not expecting a lot of rain with the cold front at the end of the week, but every little bit helps as the drought worsens. Images provided by Pivotal Weather.

Monday: Partly sunny. High 71-78, coolest along the coast.

Monday night: Partly cloudy with some patchy fog possible. Low 52-59.

Tuesday: Sunshine and some afternoon clouds. High 72-79, coolest along the coast.

Tuesday night: Clear to partly cloudy. Low 51-58.

Wednesday: A mix of sun and clouds. High 74-81, coolest along the coast.

Wednesday night: Clear to partly cloudy. Low 53-60.

Thursday: Partly to mostly sunny, breezy. High 75-82, coolest along the South Coast and Cape Cod.

Thursday night: Becoming cloudy, showers possible late at night. Low 57-64.

Friday: More clouds than sun with showers and a few thunderstorms likely, breezy, humid. High 73-80.

Saturday: Partly sunny, humid, a few additional showers or thunderstorm possible, breezy. High 75-82.

Sunday: Becoming partly to mostly sunny, drier. High 70-77.

Weekend Outlook: August 29 – September 1, 2025

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Much of the Labor Day Weekend will feature dry but somewhat cool conditions.

Temperatures will be below normal this weekend. Image provided by Weathermodels.com

Clouds will start to move in and thicken up tonight as a cold front heads out way from the Great Lakes. That front will bring us some showers and a few thunderstorms during the day on Friday. While we need the rain as drought conditions continue to expand across the region, this will not be a drought-buster. We’re only expecting scattered showers, with some places seeing little, if any, rain from them. There will be a few downpours as well, and don’t be surprised if one or two storms produce some gusty winds and small hail, but overall, this isn’t a big deal. Once the front moves offshore high pressure will build in for the rest of the Labor Day Weekend. However, we’ll also have an upper-level low pressure area moving into the Northeast. That means that we’ll see some clouds popping up each day during the late morning and afternoon hours, dissipating after sunset. These clouds will be most numerous on Saturday, fewer on Sunday, and even fewer on Monday.

Drought conditions are worsening across the region. Image provided by the National Drought Mitigation Center.

Thursday night: Increasing and thickening clouds. Low 56-63.

Friday: More clouds than sunshine with some showers and a few thunderstorms developing. High 70-77.

Friday night: Showers and storms ending in the evening, clearing after midnight. Low 48-55.

Saturday: Morning sunshine with some afternoon clouds. High 68-75.

Saturday night: Clear skies. Low 49-56.

Sunday: Sunny in the morning, partly sunny in the afternoon. High 69-76.

Sunday night: Clear to partly cloudy. Low 50-57.

Monday: Partly to mostly sunny. High 72-79.

Weekly Outlook: August 25-September 1, 2025

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The final week of summer (traditional and meteorological) has arrived, and for the most part, the weather will be fairly nice, but a little on the cool side.

Below normal temperatures are expected for most of the upcoming week. Image provided by WeatherBell.

We start the week off with some rain across the Cape and Islands as a weak low pressure area passes by offshore. The rain should end during the morning, but we’ve got a cold front moving in from the west. We could see some sunshine, especially inland during the morning, but as the front moves in, we’ll see some showers and thunderstorms developing in the afternoon. They shouldn’t be that strong, but a few could produce some gusty winds and heavy downpours. They’ll quickly subside during the evening as the front pushes offshore, then high pressure starts to build in with cooler and drier conditions. However, we’ll also have an upper-level low pressure area moving in from the Great Lakes, and this will likely generate some clouds for Tuesday afternoon. It’ll probably be a little too dry for any showers to pop up, but it wouldn’t be a complete shock if a few days. Another disturbance rotating around that upper low will move in for Wednesday, with some morning sun followed by afternoon clouds, and this day may feature a better chance for some pop-up showers during the afternoon. Thursday looks like another dry day with some afternoon clouds and temperatures that remain a little below normal for late August.

A series of upper-level disturbances will influence our weather for much of the next week. Loop provided by Tropical Tidbits.

As we get to Labor Day weekend, we’ll see another low pressure area moving in on Friday, with another round of showers and possibly some thunderstorms. The system will take its time moving out as another upper-level low moves in, so Saturday may feature more clouds and a few showers, especially early, but we should see some improvement during the afternoon. Sunday looks pretty nice, but we’ll still have an upper-level low nearby, so expect more clouds, but for now, we’re not expecting more showers. High pressure builds in for Labor Day with dry and seasonably warm conditions, though some clouds are still likely as that upper-level low will be slow to depart.

Friday could feature some showers and thunderstorms, but much of the rest of the weekend looks dry. Images provided by Pivotal Weather.

Monday: Morning showers across Cape Cod, otherwise morning fog burns off revealing a mix of sun and clouds with some showers and thunderstorms likely during the afternoon. High 75-82.

Monday night: Any showers end in the evening, becoming clear overnight with some patchy fog. Low 56-63.

Tuesday: Morning sun, then some clouds pop up during the afternoon. High 72-79.

Tuesday night: Clear to partly cloudy. Low 52-59.

Wednesday: Partly sunny, chance for a few showers during the afternoon. High 70-77.

Wednesday night: Mostly clear. Low 51-58.

Thursday: Morning sunshine with afternoon clouds. High 73-80.

Thursday night: Partly cloudy. Low 53-60.

Friday: Partly sunny with showers and a few thunderstorms developing in the afternoon, tapering off late at night. High 71-78.

Saturday: Any lingering showers end early, some afternoon sunshine develops. High 68-75.

Sunday: A mix of sun and clouds. High 70-77.

Labor Day: Partly sunny. High 71-78.

Weekend/Tropical Outlook: August 22-25, 2025

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Hurricane Erin will pass well offshore over the next 24 hours while we enjoy some rather nice weather for most of the upcoming weekend.

Average high temperatures in late August are around 80. Image provided by Weathermodels.com

High pressure will slowly build into the region this evening, allowing skies to gradually clear out tonight. With the high in control on Friday we’ll have lots of sunshine, with temperatures getting back close to where they should be in the latter half of August. It will remain breezy, especially during the morning, due to the gradient between the high building in and distant Hurricane Erin pulling away offshore (more on that in a moment). As the high moves off to the east on Saturday, southwest winds will usher warmer air in, with many areas away from the coast likely topping 80 degrees. We’ll see things start to change on Sunday as a cold front begins to slowly approach the region. Clouds will increase, and gusty southerly winds will develop, increasing humidity levels across the area. Some showers and thunderstorms are expected ahead of the front, but they should hold off until evening, so don’t cancel any outdoor plans for Sunday. The front will take its time moving through, with showers and thunderstorms expected for Sunday night into Monday. We’ll also be watching a small area of low pressure moving up the East Coast on Monday. While most of the models keep it far enough offshore to have little to no impact here, some bring it close enough to bring in a periods of steadier rain to Cape Cod and possibly southeastern Massachusetts Monday afternoon and evening. We’re leaning towards it staying too far offshore to impact us, but we are keeping an eye on it just in case.

Low pressure should remain offshore on Monday, but that doesn’t mean we’ll stay dry. Images provided by Pivotal Weather.

Hurricane Erin was centered about 400 miles northwest of Bermuda as of early Thursday afternoon, moving off toward the northeast at 18 mph. Maximum sustained winds were near 100 mph. Tropical Storm Warning are in effect for parts of the Mid-Atlantic coast as well as Bermuda. As Erin accelerates northeastward and steadily weakens conditions will improve across Bermuda and the East Coast, though rough seas and rip currents will still be a significant hazard into the weekend. With astronomically high tides, some minor coastal flooding is also still possible for the next day or two in parts of New England and Atlantic Canada.

Hurricane Erin remains a large and potent storm off the East Coast. Loop provided by NOAA.

There are two other tropical waves we’re keeping an eye on this afternoon, but neither is a significant threat to land at this time. A tropical wave is approaching the Leeward Islands this afternoon. It remains disorganized, but as it heads northwestward, conditions will become more favorable for development, and it could become a tropical depression over the weekend or early next week as it turns northward out over the open Atlantic. It will bring squally conditions to the Leeward Islands as well as the Virgin Islands and possibly Puerto Rico over the next few days, but otherwise won’t be a threat to land areas, though it could threaten Bermuda by early next week. Another wave is in the central Atlantic, and shows some signs of organization. While conditions are favorable for some development right now, they will become more hostile by this weekend, which would effectively end any further chances for development.

Hurricane Erin is pulling away from the East Coast but there are other areas we’re watching in the Atlantic. Loop provided by Tropical Tidbits.

Thursday night: Skies clear out from northwest to southeast, still breezy across Rhode Island, southeastern Massachusetts, and Cape Cod. Low 51-58, a little milder on Cape Cod.

Friday: Plenty of sunshine, winds diminish by early afternoon. High 77-84, a little cooler across Cape Cod.

Friday night: Clear to partly cloudy. Low 54-61.

Saturday: Sunshine and a few clouds. High 80-87, a little cooler across the South Coast and Cape Cod.

Saturday night: Becoming partly cloudy. Low 60-67.

Sunday: Morning sunshine fades behind increasing clouds, becoming breezy and more humid. High 76-83.

Sunday night: Mostly cloudy with showers and a few thunderstorms developing. Low 61-68.

Monday: More clouds than sun with some additional showers and thunderstorms. High 75-82.